Peter Killian Gallagher (born August 19, 1955) is an American actor. Description above from the Wikipedia article Peter Gallagher, licensed under CC-BY-SA, full list of contributors on Wikipedia.
American Beauty
(Buddy Kane)
Zoey's Extraordinary Christmas
(Mitch Clarke)
While You Were Sleeping
(Peter Callaghan)
sex, lies, and videotape
(John Mullany)
Short Cuts
(Stormy Weathers)
Malice
(Atty. Dennis Riley)
Center Stage
(Jonathan Reeves)
One December Night
(Mike Sullivan)
Mr. Deeds
(Chuck Cedar)
The Player
(Larry Levy)
High Spirits
(Brother Tony)
Adam
(Marty Buchwald)
House on Haunted Hill
(Blackburn)
To Gillian on Her 37th Birthday
(David Lewis)
Mrs. Parker and the Vicious Circle
(Alan Campbell)
The Man Who Knew Too Little
(James Ritchie)
Protection
(Ted)
Brave New World
(Bernard Marx)
The Underneath
(Michael Chambers)
Mother's Boys
(Robert Madigan)
The Idolmaker
(Caesare)
Burlesque
(Vince Scali)
Dreamchild
(Jack Dolan)
Perfume
(Guido)
GasHole
(Narrator (voice))
The Adventures of Tom Thumb and Thumbelina
(The Mole King (voice))
Conviction
(Barry Scheck)
Center Stage: Turn It Up
(Jonathan Reeves)
Path to Paradise: The Untold Story of the World Trade Center Bombing
(John Anticev)
Last Dance
(John Hayes)
The War Boys
(Slater)
Buying a Landslide
(Philip Kautsky)
Summer Lovers
(Michael Pappas)
Other Voices
(Jordin)
Feast of All Saints
(Philippe Ferronaire)
Someday This Pain Will Be Useful to You
(Paul Sveck)
The Cabinet of Dr. Ramirez
(Matt)
White Mile
(Jack Robbins)
How to Deal
(Len Martin)
My Little Girl
(Kai)
Watch It
(John)
The Caine Mutiny Court-Martial
(Lt. Cmdr. John Challee)
Skag
(John Skagska)
Brotherhood of Murder
(Bob Matthews)
My Favorite Broadway: The Love Songs
(Self)
Cafe Society
(Jack Kale)
Jesus Christ Superstar
(First Priest)
The Day the Music Died: The Story of Don McLean's "American Pie"
(Self)
Virtual Obsession
(Dr. Joe Messenger)
Long Day's Journey Into Night
(Edmund Tyrone)
Everybody Just Stay Calm
(Self)
Milena
(Pollak)
Late for Dinner
(Bob Freeman)
Step Up Revolution
(Mr. Anderson)
Johnny Skidmarks
(Johnny Scardino)
Hello, My Name Is Doris
(Willy Williams)
In a Relationship
(The Interviewer (voice))
The Great Irish Famine
(narrator)
Humane
(Charles York)
Broadway: The Next Generation
(Self)
The Hudsucker Proxy
(Vic Tenetta)
Terrible Joe Moran
(Nick)
I'll Be Home for Christmas
(Aaron Copler)
A Tale of Two Wives
Center Stage: On Pointe
(Jonathan Reeves)
The Frightening Frammis
(Mitch Allison)
Cruel Intentions
(Edward Valmont)
The Last Debate
(Tom Chapman)
Bob Roberts
(Dan Riley)
Literally, Right Before Aaron
(Orson Schwartzman)
A Bad Moms Christmas
(Hank Mitchell)
Robert Altman's Players
(Self)
Page to Screen: 'The Silence of the Lambs'
(Host)
After
(Ken Scott)
Guys and Dolls: Off the Record
(Himself / Sky Masterson)
Luck, Trust & Ketchup: Robert Altman in Carver Country
(Self)
Broadway's Lost Treasures II
(Sky Masterson (segment "Guys & Dolls"))
Stepdaddy
Palm Springs
(Howard)
Love and Lies
(David West)
American Beauty: Look Closer...
(Self)
Comedy Central Roast of Denis Leary
(Himself)
Cannes Man
(Self)
Cupid & Cate
(Harry)
One Night Only: The Best of Broadway
(Self)
Something in the Air: Making "sex, lies, and videotape"
(Self)
Magic Time: A Tribute to Jack Lemmon
(Self)
Tune in Tomorrow...
(Richard Quince)
The Trial of Adolf Eichmann
(Gideon Hausner (voice))
The Tony Danza Show
(Self)
The Ellen DeGeneres Show
(Self)
Family Guy
(Jared (voice))
Shark
Californication
(Dean Stacy Koons)
LIVE with Kelly and Mark
The View
(Self)
How I Met Your Mother
(Professor Vinick)
Tamron Hall
(Self - Guest)
The O.C.
(Sandy Cohen)
Superman: The Animated Series
(Kurt (voice))
Homicide: Life on the Street
Late Night with Conan O'Brien
(Self - Guest)
Hallmark Hall of Fame
(Harry)
Fallen Angels
(Mitch Allison)
Skag
The Secret Lives of Men
Truth Be Told
(Andrew Finney)
Page to Screen
Good Day Live
(Self)
An Inconvenient Woman
(Philip Quennell)
Covert Affairs
(Arthur Campbell)
Whitney
(Vince)
Titanic
(Wynn Park)
The Late Late Show with Craig Ferguson
(Self)
Grey's Anatomy
(David Hamilton)
New Girl
(Gavin)
Tony Awards
(Self - Performer)
The Murder of Mary Phagan
(Leo Frank)
Fallen Angels
(Dr. Yorgrau)
The Gathering
(Dr. Michael Foster)
Law & Order: Special Victims Unit
(William Dodds)
Grace and Frankie
(Nick Skolka)
Mr. Mayor
(Brett (uncredited))
Man Seeking Woman
(Joel Greenberg)
The Conners
(Brian Foster)
Reboot
(Tyler)
Stars in the House
(Self)
On Air with Ryan Seacrest
(Self - The O.C.)
Comedy Central Roasts
(Self)
Togetherness
(Larry)
The Gifted
(Benedict Ryan)
Zoey's Extraordinary Playlist
(Mitch Clarke)
The Good Wife
(Ethan Carver)
The Megan Mullally Show
(Self - Guest)