Peter Gallagher

TOVAH Self 2026

Everybody's Live with John Mulaney Future John Mulaney 2025

Humane Charles York 2024

Reboot Tyler 2022

The Day the Music Died: The Story of Don McLean's "American Pie" Self 2022

Zoey's Extraordinary Christmas Mitch Clarke 2021

One December Night Mike 2021

Mr. Mayor Brett (uncredited) 2021

One Night Only: The Best of Broadway Self 2020

Palm Springs Howard 2020

Stars in the House Self 2020

The Owl House Del Clawthorne (voice) 2020

Zoey's Extraordinary Playlist Mitch Clarke 2020

Truth Be Told Andrew Finney 2019

Tamron Hall Self - Guest 2019

After Ken Scott 2019

Stepdaddy 2019

The Conners Brian Foster 2018

Something in the Air: Making "sex, lies, and videotape" Self 2018

Submission Len 2018

The Gifted Benedict Ryan 2017

A Bad Moms Christmas Hank Mitchell 2017

Literally, Right Before Aaron Orson Schwartzman 2017

Center Stage: On Pointe Jonathan Reeves 2016

Cruel Intentions Edward Valmont 2016

Hello, My Name Is Doris Willy Williams 2015

Grace and Frankie Nick Skolka 2015

In a Relationship The Interviewer (voice) 2015

Man Seeking Woman Joel Greenberg 2015

Togetherness Larry 2015

DeTour Professor Zaring 2015

Step Up Revolution Bill Anderson 2012

Someday This Pain Will Be Useful to You Paul Sveck 2012

Whitney Vince 2011

New Girl Gavin 2011

Burlesque Vince Scali 2010

Conviction Barry Scheck 2010

Covert Affairs Arthur Campbell 2010

GasHole Narrator (voice) 2010

The Good Wife Ethan Carver 2009

Adam Marty Buchwald 2009

The War Boys Slater 2009

Center Stage: Turn It Up Jonathan Reeves 2008

The Gathering Dr. Michael Foster 2007

Californication Dean Stacy Koons 2007

Shark Frank Bell 2006

The Megan Mullally Show Self - Guest 2006

How I Met Your Mother Professor Vinick 2005

Grey's Anatomy David Hamilton 2005

The Late Late Show with Craig Ferguson Self 2005

Broadway's Lost Treasures II Sky Masterson (segment "Guys & Dolls") 2004

The Tony Danza Show Self 2004

On Air with Ryan Seacrest Self - The O.C. 2004

The Ellen DeGeneres Show Self 2003

Comedy Central Roast of Denis Leary Self 2003

Comedy Central Roasts Self 2003

The Adventures of Tom Thumb and Thumbelina The Mole King (voice) 2003

The O.C. Sandy Cohen 2003

How to Deal Len Martin 2003

A Tale of Two Wives Bill Goodman 2003

Magic Time: A Tribute to Jack Lemmon Self 2002

Page to Screen: 'The Silence of the Lambs' Host 2002

Page to Screen 2002

Mr. Deeds Chuck Cedar 2002

Feast of All Saints Philippe Ferronaire 2001

Protection Ted 2001

Good Day Live Self 2001

Perfume Guido 2001

My Favorite Broadway: The Love Songs Self 2001

The Last Debate Tom Chapman 2000

American Beauty: Look Closer... Self 2000

Jesus Christ Superstar First Priest 2000

Center Stage Jonathan Reeves 2000

Cupid & Cate Harry 2000

Other Voices Jordin 2000

Brotherhood of Murder Bob Matthews 1999

House on Haunted Hill Donald W. Blackburn, M.D. 1999

Law & Order: Special Victims Unit William Dodds 1999

American Beauty Buddy Kane 1999

Family Guy Jared (voice) 1999

The Secret Lives of Men 1998

Brave New World Bernard Marx 1998

Virtual Obsession Dr. Joe Messenger 1998

Johnny Skidmarks Johnny Scardino 1998

The Man Who Knew Too Little James Ritchie 1997

The View Self 1997

Cafe Society Jack Kale 1997

Path to Paradise: The Untold Story of the World Trade Center Bombing John Anticev 1997

The Trial of Adolf Eichmann Gideon Hausner (voice) 1997

Titanic Wynn Park 1996

To Gillian on Her 37th Birthday David Lewis 1996

Superman: The Animated Series Kurt (voice) 1996

Cannes Man Self 1996

Last Dance John Hayes 1996

The Great Irish Famine narrator 1996

The Underneath Michael Chambers 1995

While You Were Sleeping Peter Callaghan 1995

Everybody Just Stay Calm Self 1994

Mrs. Parker and the Vicious Circle Alan Campbell 1994

White Mile Jack Robbins 1994

The Hudsucker Proxy Vic Tenetta 1994

Short Cuts Stormy Weathers 1993

Mother's Boys Robert Madigan 1993

Malice Atty. Dennis Riley 1993

Late Night with Conan O'Brien Self - Guest 1993

Fallen Angels Mitch Allison 1993

Fallen Angels Dr. Yorgrau 1993

Watch It John 1993

Luck, Trust & Ketchup: Robert Altman in Carver Country Self 1993

Homicide: Life on the Street Chris Rawls 1993

Guys and Dolls: Off the Record Himself / Sky Masterson 1992

Bob Roberts Dan Riley 1992

Buying a Landslide Philip Kautsky 1992

The Player Larry Levy 1992

Robert Altman's Players Self 1992

The Cabinet of Dr. Ramirez Matt 1991

Late for Dinner Bob Freeman 1991

Milena Pollak 1991

An Inconvenient Woman Philip Quennell 1991

Tune in Tomorrow... Richard Quince 1990

Love and Lies David West 1990

sex, lies, and videotape John Mullany 1989

I'll Be Home for Christmas Aaron Copler 1988

High Spirits Brother Tony 1988

LIVE with Kelly and Mark Self 1988

The Caine Mutiny Court-Martial Lt. Cmdr. John Challee 1988

The Murder of Mary Phagan Leo Frank 1988

Long Day's Journey Into Night Edmund Tyrone 1987

My Little Girl Kai 1986

Dreamchild Jack Dolan 1985

Terrible Joe Moran Nick 1984

Summer Lovers Michael Pappas 1982

The Idolmaker Caesare 1980

Skag John Skagska 1980

Skag 1980

Hallmark Hall of Fame Harry 1951

Broadway: The Next Generation Self

Cruel Intentions Edward Valmont

The Cabinet of Dr. Ramirez Story 1991