Season 4

Ice-T, Clark Gregg, Glass Animals

Seth welcomes Ice T, Clark Gregg and Glass Animals.

James Spader, Jordana Brewster, the Cadillac Three

A brand-new Late Night has James Spader, Jordana Brewster and The Cadillac Three.

Neil Patrick Harris, Omari Hardwick, James Blake

Neil Patrick Harris, Omari Hardwick and James Blake pay Late Night a visit.

Chris Pratt, Ben Sinclair & Katja Blichfeld

Seth chats with Chris Pratt and Ben Sinclair & Katja Blichfeld.

Will Forte, Mandy Moore, David Ortiz

Seth welcomes Will Forte, Mandy Moore and David Ortiz.

Samuel L. Jackson, Cecily Strong, Spike Feresten

Seth welcomes Samuel L. Jackson, Cecily Strong and Spike Feresten.

January Jones, Mike Colter, Chris Lane

Seth welcomes January Jones, Mike Colter and Chris Lane.

Justin Theroux, Tim Meadows, Naomi Ekperigin

Seth welcomes Justin Theroux, Tim Meadows and Naomi Ekperigin.

Martha Stewart, Haley Bennett

Seth welcomes Martha Stewart and Haley Bennett.

Judge Judy Sheindlin, Kelly Clarkson, Tom Odell

Seth welcomes Judge Judy Sheindlin, Kelly Clarkson and Tom Odell.

Chelsea Clinton, Ted Danson, Bishop Briggs

Seth welcomes Chelsea Clinton, Ted Danson and Bishop Briggs.

Ashton Kutcher, Kevin Millar & Sean Casey, Chris Eliopoulos

Seth welcomes Ashton Kutcher, Kevin Millar & Sean Casey and Chris Eliopoulos.

Sarah Silverman, Jake Tapper

Seth welcomes Sarah Silverman and Jake Tapper.

Lena Dunham, Nick Kroll, John Mulaney

Seth welcomes Lena Dunham and Nick Kroll & John Mulaney.

Vice President Joe Biden, Dr. Jill Biden, Sturgill Simpson

Seth welcomes Vice President Joe Biden, Dr. Jill Biden and Sturgill Simpson.

Kevin Hart, Sen. Al Franken, Secretary of Defense Ash Carter

Seth welcomes Kevin Hart, Senator Al Franken and Secretary of Defense Ash Carter.

Elijah Wood, Ana Gasteyer, Spencer Ludwig

Seth welcomes Elijah Wood, Ana Gasteyer and Spencer Ludwig.

Antonio Brown, Graydon Carter, Pete Davidson, Lucius

Seth welcomes Antonio Brown, Graydon Carter, Pete Davidson and Lucius.

Kate Beckinsale, Colin Hanks

Seth welcomes Kate Beckinsale and Colin Hanks

Joel Edgerton, Evan Rachel Wood, Ina Garten

Seth welcomes Joel Edgerton, Evan Rachel Wood and Ina Garten.

Nathan Lane, Genevieve Angelson, Matt Zoller Seitz & Alan Sepinwall

Seth welcomes Nathan Lane, Genevieve Angelson and Matt Zoller Seitz & Alan Sepinwall.

Common, Pamela Adlon, John Prine, Iris DeMent

Seth welcomes Common, Pamela Adlon and John Prine with Iris Dement.

Christian Slater, Priyanka Chopra, Luke Bracey

Seth welcomes Christian Slater, Priyanka Chopra and Luke Bracey.

Vince Vaughn, George Stephanopoulos, Liza Treyger

Seth welcomes Vince Vaughn, George Stephanopoulos and Liza Treyger.

John Goodman, Andrew Rannells, The 1975

Seth welcomes John Goodman, Andrew Rannells and The 1975.

Wendy Williams, Chris Hayes, Lukas Graham

Seth welcomes Wendy Williams, Chris Hayes and Lukas Graham.

Lester Holt, Alia Shawkat, Jade Chang

Seth welcomes Lester Holt, Alia Shawkat and Jade Chang.

Aaron Eckhart, Michelle Dockery, Margo Price

Seth welcomes Aaron Eckhart, Michelle Dockery and Margo Price.

Billy Bob Thornton, Lily Collins, Sanjay Gupta

Seth welcomes Billy Bob Thornton, Lily Collins and Sanjay Gupta.

Kathy Bates, Laura Jane Grace, Against Me!

Seth welcomes Kathy Bates, Laura Jane Grace and Against Me!

Casey Affleck, Rebecca Romijn, Michael Che

Seth welcomes Casey Affleck, Rebecca Romijn and Michael Che.

Kathy Griffin, Dev Patel, José Andrés

Seth welcomes Kathy Griffin, Dev Patel and José Andrés.

Gayle King, Ben Platt, a performance from Broadway’s Dear Evan Hansen

Seth welcomes Gayle King, Ben Platt and Dear Evan Hansen.

Curtis “50 Cent” Jackson, Katy Tur, K. Flay

Seth welcomes Curtis "50 Cent" Jackson, Katy Tur and K.Flay.

Josh Meyers, Hilary and Larry Meyers

Seth welcomes Josh Meyers and Hilary & Larry Meyers.

Kate McKinnon, Benjamin Bratt, The Hold Steady

Seth welcomes Kate McKinnon, Benjamin Bratt and The Hold Steady.

Shaquille O'Neal, Abbi Jacobson, Miranda Lambert

Seth welcomes Shaquille O'Neal, Abbi Jacobson and Miranda Lambert.

Michael Moore, Rita Ora, Kacey Musgraves

Seth welcomes Michael Moore, Rita Ora and Kacey Musgraves.

Taraji P. Henson, Lola Kirke, Bret Baier

Seth welcomes Taraji P. Henson, Lola Kirke and Bret Baier.

Julie Chen, Billie Lourd, Maureen Dowd

Seth welcomes Julie Chen, Billie Lourd and Maureen Dowd.

Sen. Bernie Sanders, Zoey Deutch, Dan Levy

Seth welcomes Senator Bernie Sanders, Zoey Deutch and Dan Levy.

Mindy Kaling, Eric McCormack, Joe Pera

Seth welcomes Mindy Kaling, Eric McCormack and Joe Pera.

Mariah Carey, Colin Quinn, Megadeth

Seth welcomes Mariah Carey, Colin Quinn and Megadeth.

Sarah Paulson, Taran Killam, Marc Andreyko, Tori Kelly

Seth welcomes Sarah Paulson, Taran Killam & Marc Andreyko and Tori Kelly.

Michael Fassbender, David Remnick

Seth welcomes Michael Fassbender and David Remnick.

Rachel Maddow, Kelly Osbourne, Mario Batali

Seth welcomes Rachel Maddow and Kelly Osbourne.

Matthew McConaughey, Mel B, Cameron Dallas

Seth welcomes Matthew McConaughey, Mel B and Cameron Dallas.

Jason Sudeikis, Michelle Monaghan, Van Jones

Seth welcomes Jason Sudeikis, Michelle Monaghan and Van Jones.

Ken Jeong, Kellyanne Conway, Mike Schur

Seth welcomes Ken Jeong, Kellyanne Conway and Mike Schur.

Andrew Garfield, Mary Steenburgen, Colony House

Seth welcomes Andrew Garfield, Mary Steenburgen and Colony House.

Jude Law, Sullivan Stapleton, Action Bronson

Seth welcomes Jude Law, Sullivan Stapleton and Action Bronson.

Jake Tapper, B.J. Novak, Steve Jones

Seth welcomes Jake Tapper, BJ Novak and Steve Jones.

Aidy Bryant, Patrick Warburton, Bibi Bourelly

Seth welcomes Aidy Bryant, Patrick Warburton and Bibi Bourelly.

Michael Keaton, Emily Deschanel, Neal Brennan

Seth welcomes Michael Keaton, Emily Deschanel and Neal Brennan.

Jim Parsons, Ben McKenzie, Jon Favreau, Dan Pfeiffer

Seth welcomes Jim Parsons, Ben McKenzie and Jon Favreau & Dan Pfeiffer.

Idina Menzel, Melissa Benoist, Kane Brown

Seth welcomes Idina Menzel, Melissa Benoist and Kane Brown.

Retta, Ta-Nehisi Coates

Seth welcomes Andy Cohen, Retta and Ta-Nehisi Coates.

Katie Couric, Bryce Dallas Howard, Matt Taibbi

Seth welcomes Katie Couric, Bryce Dallas Howard and Matt Taibbi.

Timothy Olyphant, Lili Reinhart, Camila Mendes, Nelly Furtado

Seth welcomes Timothy Olyphant, Lili Reinhart & Camila Mendes and Nelly Furtado.

John Malkovich, Corey Hawkins, Kings of Leon

Seth welcomes John Malkovich, Corey Hawkins and Kings of Leon.

Robert De Niro, Lauren Ash, Asa Butterfield

Seth welcomes Robert De Niro, Lauren Ash and Asa Butterfield.

Dakota Johnson, Willie Geist, Paper Route

Seth welcomes Dakota Johnson, Willie Geist and Paper Route.

Leslie Mann, Jeff Perry, Alex Guarnaschelli

Seth welcomes Leslie Mann, Jeff Perry and Alex Guarnaschelli.

Tracee Ellis Ross, Dan Stevens, Electric Guest

Seth welcomes Tracee Ellis Ross, Dan Stevens and Electric Guest.

Anderson Cooper, Reba McEntire, dogs from the Westminster Dog Show

Seth welcomes Anderson Cooper, Reba McEntire and The Westminster Dogs.

Ice Cube, Ruby Rose, Ty Segall

Seth welcomes Ice Cube, Ruby Rose and Ty Segall.

Drew Barrymore, Artie Lange, Viet Thanh Nguyen

Seth welcomes Drew Barrymore, Artie Lange and Viet Thanh Nguyen.

John Oliver, Zosia Mamet

Seth welcomes John Oliver and Zosia Mamet.

Shailene Woodley, Annaleigh Ashford, Evan McMullin

Seth welcomes Shailene Woodley, Annaleigh Ashford, Evan McMullin.

Damian Lewis, Adam Scott, Charlotte OC

Seth welcomes Damian Lewis, Adam Scott and Charlotte OC.

Tracy Morgan, Abigail Spencer, Bebe Rexha

Seth welcomes Tracy Morgan, Malin Akerman and Bebe Rexha.

Anna Kendrick, Jordan Peele, Old 97's

Seth welcomes Anna Kendrick, Jordan Peele and Old 97's.

Gwen Stefani, Kirsten Gillibrand, Tove Lo

Seth welcomes Gwen Stefani, Senator Kirsten Gillibrand and Tove Lo.

Terry Crews, Leighton Meester, Ben Santer

Seth welcomes Terry Crews, Leighton Meester and Dr. Ben Santer.

Allison Williams, Paul Scheer & Rob Huebel, Paul Beatty

Seth welcomes Allison Williams, Paul Scheer & Rob Huebel and Paul Beatty.

Matthew Broderick, David Boreanaz, Regina Spektor

Seth welcomes Matthew Broderick, David Boreanaz and Regina Spektor.

Aubrey Plaza, Whoopi Goldberg & Dustin Lance Black, Reza Aslan

Seth welcomes Aubrey Plaza, Whoopi Goldberg & Dustin Lance Black and Reza Aslan.

Amy Schumer, RuPaul, Panic! At the Disco

Jennifer Lopez, Sam Richardson, Tim Robinson

Seth welcomes Jennifer Lopez and Sam Richardson & Tim Robinson.

Glenn Close, Alex Karpovsky, Mohsin Hamid

Seth welcomes Glenn Close, Alex Karpovsky and Mohsin Hamid.

Ewan McGregor, Zoe Kravitz, Jon Pardi

Seth welcomes Ewan McGregor, Zoë Kravitz and Jon Pardi.

Keri Russell, Peter Krause, J.D. Vance

Seth welcomes Keri Russell, Peter Krause and J.D. Vance.

Mike Myers, Erin Gibson, Bryan Safi

Seth welcomes Mike Myers and Erin Gibson & Bryan Safi.

Will Forte, Jay Bilas, Chris Hayes

Seth welcomes Will Forte, Jay Bilas and Chris Hayes.

Dax Shepard, Hannah Simone, Hey Violet

Seth welcomes Dax Shepard, Hannah Simone and Hey Violet.

Kristen Bell, Bill Nighy, Aquilo

Seth welcomes Kristen Bell, Bill Nighy and Aquilo.

Jake Gyllenhaal, Whitney Cummings, Post Malone feat. Quavo of Migos & Metro Boomin

Seth welcomes Jake Gyllenhaal, Whitney Cummings and Post Malone ft. Quavo.

Craig Ferguson, Rachel Dratch, George Saunders

Seth welcomes Craig Ferguson, Rachel Dratch and George Saunders.

Scarlett Johansson, Joe Scarborough & Mika Brzezinski, Mario Batali

Seth welcomes Scarlett Johansson, Joe Scarborough & Mika Brzezinski and Mario Batali.

Morgan Freeman, Keeley Hawes, Mikaela Shiffrin, Bastille

Seth welcomes Morgan Freeman, Keeley Hawes, Mikaela Shiffrin and Bastille.

Christine Baranski, Kristen Schaal, Big Thief

Seth welcomes Christine Baranski, Kristen Schaal and Big Thief.

Chelsea Handler, Jake Johnson, Craig Finn

Seth welcomes Chelsea Handler, Jake Johnson and Craig Finn.

Ice T, Freida Pinto, Julio Torres

Seth welcomes Ice T, Freida Pinto and Julio Torres.

Rashida Jones, Andrew Rannells, Alan Dershowitz

Seth welcomes Rashida Jones, Andrew Rannells and Alan Dershowitz.

Chris Evans, Mandy Patinkin, Michelle Branch

Seth welcomes Chris Evans, Mandy Patinkin and Michelle Branch.

Jason Sudeikis, Andrea Martin, Jan Böhmermann

Seth welcomes Jason Sudeikis, Andrea Martin and Jan Böhmermann.

Caitlyn Jenner, Buzz Bissinger, Nick Frost

Seth welcomes Caitlyn Jenner, Buzz Bissinger and Nick Frost.

James Spader, John Mellencamp

Seth welcomes James Spader and John Mellencamp.

Aidy Bryant, Ian McShane, RaeLynn

Seth welcomes Aidy Bryant, Ian McShane and RaeLynn.

America Ferrera, Ike Barinholtz

Seth welcomes America Ferrera and Ike Barinholtz.

Rachel Maddow, Beck Bennett, All Time Low

Seth welcomes Rachel Maddow, Beck Bennett and All Time Low.

Chris Pratt, Beth Behrs, Shane Smith

Seth welcomes Chris Pratt, Beth Behrs and Shane Smith.

Wanda Sykes, Chris Gethard, Devin Dawson

Seth welcomes Wanda Sykes, Chris Gethard and Devin Dawson.

Cobie Smulders, Chris Meloni, Maggie Rogers

Seth welcomes Cobie Smulders, Chris Meloni and Maggie Rogers.

Danny DeVito, Kathryn Hahn, Cecile Richards

Seth welcomes Danny DeVito, Kathryn Hahn and Cecile Richards.

Sophia Bush, Zach Woods, Dan Mintz

Seth welcomes Sophia Bush, Zach Woods and Dan Mintz.

Aziz Ansari, Jenna Dewan Tatum, Lany

Seth welcomes Aziz Ansari, Jenna Dewan Tatum and LANY.

Tracy Morgan, Michael McKean, Sen. Ben Sasse

Seth welcomes Tracy Morgan, Michael McKean and Senator Ben Sasse.

Jennifer Hudson, Horatio Sanz, David Mandel

Seth welcomes Jennifer Hudson, Horatio Sanz and David Mandel.

Naomi Watts, Hank Azaria, BNQT

Seth welcomes Naomi Watts, Hank Azaria and BNQT.

Jeffrey Tambor, Debra Messing, Michael Barbaro

Seth welcomes Jeffrey Tambor, Debra Messing and Michael Barbaro.

Kyle Chandler, Michaela Watkins, a performance by the Broadway cast of Come From Away

Seth welcomes Kyle Chandler, Michaela Watkins and the cast of Come From Away.

Chris Pine, Sen. John McCain

Seth welcomes Chris Pine and Senator John McCain.

Kevin Spacey, Ellie Kemper, Tom Perez

Seth welcomes Kevin Spacey, Ellie Kemper and Tom Perez.

Bryan Cranston, Alexandra Daddario, Jessica Seinfeld

Seth welcomes Bryan Cranston, Alexandra Daddario and Jessica Seinfeld.

Kevin Kline, Sharon Horgan, Cage the Elephant

Seth welcomes Kevin Kline, Sharon Horgan and Cage the Elephant.

Courtney Love, John Early, Masa Takayama

Seth welcomes Courtney Love, John Early and Chef Masa Takayama.

Alan Alda, Mary Elizabeth Winstead, Desus & Mero

Seth welcomes Alan Alda, Mary Elizabeth Winstead and Desus & Mero.

Joel Edgerton, Zoe Lister-Jones, Royal Blood

Seth welcomes Joel Edgerton, Zoe Lister-Jones and Royal Blood.

Elisabeth Moss, John Mulaney, Brett Eldredge

Seth welcomes Elisabeth Moss, John Mulaney and Brett Eldredge.

Kate McKinnon, Brian Tyree Henry, Janet Mock

Seth welcomes Kate McKinnon, Brian Tyree Henry and Janet Mock.

Taylor Schilling, Jim O'Heir, Lizzy Goodman

Seth welcomes Taylor Schilling, Jim O'Heir and Lizzy Goodman.

Andy Cohen, Danai Gurira, Rakesh Satyal

Seth welcomes Andy Cohen, Patty Jenkins and Rakesh Satyal.

Kirsten Dunst, Jerrod Carmichael, Jeff Tweedy

Seth welcomes Kirsten Dunst, Jerrod Carmichael and Jeff Tweedy.

Will Ferrell, Laverne Cox, Jeff Tweedy

Seth welcomes Will Ferrell, Laverne Cox and Jeff Tweedy.

Amy Poehler, Nicolle Wallace

Seth welcomes Amy Poehler and Nicolle Wallace.

Ice Cube, Kumail Nanjiani, Mayor Pete Buttigieg

Seth welcomes Ice Cube, Kumail Nanjiani and Mayor Pete Buttigieg.

Dave Franco, Ruth Negga, James Blunt

Seth welcomes Dave Franco, Ruth Negga and James Blunt.

Tom Holland, Joy Behar, the Lumineers

Seth welcomes Tom Holland, Joy Behar and The Lumineers.

Sean 'Diddy' Combs, Hilary Duff, Edgar Wright

Seth welcomes Sean "Diddy" Combs, Hilary Duff and Edgar Wright.

Lin-Manuel Miranda, Jason Mantzoukas, Martha Stewart

Seth welcomes Lin-Manuel Miranda, Jason Mantzoukas and Martha Stewart.

Maya Rudolph, Lorde

Seth welcomes Maya Rudolph and Lorde.

Patrick Stewart, Alison Brie, NY AG Eric Schneiderman

Seth welcomes Patrick Stewart, Alison Brie and Attorney General Eric Schneiderman.

Queen Latifah, Zoe Kazan, Dave Portnoy

Seth welcomes Queen Latifah, Zoe Kazan and Dave Portnoy.

Ricky Gervais, Abby Elliott, X Ambassadors

Seth welcomes Ricky Gervais, Abby Elliott and X Ambassadors.

Charlize Theron, Jane Lynch, Amine

Seth welcomes Charlize Theron, Jane Lynch and Aminé.

Kelly Ripa, Fred Savage, Ahamed Weinberg

Seth welcomes Kelly Ripa, Fred Savage and Ahamed Weinberg.

Jim Gaffigan, Andrea Mitchell, Fall Out Boy

Seth welcomes Jim Gaffigan, Andrea Mitchell and Fall Out Boy.

Tyra Banks, Kyle Mooney, OneRepublic

Seth welcomes Tyra Banks, Kyle Mooney and OneRepublic.

Molly Shannon, Matthew Rhys, Bleachers

Seth welcomes Molly Shannon, Matthew Rhys and Bleachers.

Idris Elba, Alexis Bledel, Michael Voltaggio

Seth welcomes Idris Elba, Alexis Bledel and Michael Voltaggio.

Rob Lowe, Brad Paisley

Seth welcomes Rob Lowe and Brad Paisley.

John Krasinski, Melissa Leo, Rep. Adam Schiff

Seth welcomes John Krasinski, Melissa Leo and Congressman Adam Schiff.

Billy Eichner, Ashley Graham, the All-American Rejects

Seth welcomes Billy Eichner, Ashley Graham and The All-American Rejects.

Eva Longoria, Max Greenfield, John Singleton

Seth welcomes Eva Longoria, Max Greenfield and John Singleton

Colin Jost, Michael Che, Leslie Jones, Brian Knappenberger

Seth welcomes Colin Jost & Michael Che and Brian Knappenberger.

Howie Mandel, Sen. Tammy Duckworth, Aaron Schatz

Seth welcomes Howie Mandel, Senator Tammy Duckworth and Aaron Schatz.

Kenan Thompson, Leah Remini, Bryan Fogel

Seth welcomes Kenan Thompson, Leah Remini and Bryan Fogel.

Adam Driver, Marlon Wayans, Anthony Atamanuik

Seth welcomes Adam Driver, Marlon Wayans and Anthony Atamanuik.

Bob Odenkirk, Florida Georgia Line

Seth welcomes Bob Odenkirk and Brian Kelley & Tyler Hubbard.

Michael Moore, Carrie Coon, Little Big Town

Seth welcomes Michael Moore, Carrie Coon and Little Big Town.

Jake Tapper, Gwendoline Christie, Gary Clark Jr.

Seth welcomes Jake Tapper, Gwendoline Christie and Gary Clark Jr.

Trevor Noah, Maggie Gyllenhaal

Seth welcomes Trevor Noah and Maggie Gyllenhaal.

Seth MacFarlane, Sheryl Crow

Seth welcomes Seth MacFarlane and Sheryl Crow.

Danny McBride, Jill Kargman, Living Colour

Seth welcomes Danny McBride, Jill Kargman and Living Colour.

Emma Roberts, Father John Misty

Seth welcomes Emma Roberts and Father John Misty.

Jeffrey Tambor, Walton Goggins, Action Bronson

Seth welcomes Jeffrey Tambor, Walton Goggins and Action Bronson.

Jennifer Lawrence, Caitriona Balfe, Ezra Klein

Seth welcomes Jennifer Lawrence, Caitriona Balfe and Ezra Klein.

Anderson Cooper, Gilbert Gottfried, Celeste Ng

Seth welcomes Anderson Cooper, Gilbert Gottfried and Celeste Ng.

Bobby Moynihan, Billie Jean King

Seth welcomes Bobby Moynihan and Billie Jean King.

Emma Stone, Kaitlin Olson, Blondie

Seth welcomes Emma Stone, Kaitlin Olson and Blondie.

Edie Falco, Jordan Klepper, Grace Coddington

Seth welcomes Edie Falco, Jordan Klepper and Grace Coddington.