
Acting
Peter Killian Gallagher (born August 19, 1955) is an American actor. He is best known for his roles in the films Sex, Lies, and Videotape (1989), American Beauty (1999), and Palm Springs (2020).

Family Guy
1999

Law & Order: Special Victims Unit
1999

Grey's Anatomy
2005

The Good Wife
2009

How I Met Your Mother
2005

The Late Late Show with Craig Ferguson
2005

The View
1997

New Girl
2011

Tony Awards
1956

LIVE with Kelly and Mark
1988

Homicide: Life on the Street
1993

The O.C.
2003

Californication
2007

Late Night with Conan O'Brien
1993

Good Day Live
2001

Superman: The Animated Series
1996

The Ellen DeGeneres Show
2003

Grace and Frankie
2015

Tamron Hall
2019

American Playhouse
1982

The Owl House
2020

The Megan Mullally Show
2006

Covert Affairs
2010

Stars in the House
2020

After
2019

The Gifted
2017

American Beauty
1999

The Conners
2018

Truth Be Told
2019

On Air with Ryan Seacrest
2004

Shark
2006

Fallen Angels
1993

A Bad Moms Christmas
2017

Everybody's Live with John Mulaney
2025

Zoey's Extraordinary Playlist
2020

Man Seeking Woman
2015