Peter Gallagher
Peter Killian Gallagher (New York, 19 augustus 1955) is een Amerikaans acteur.

Gallagher heeft in zo'n 64 films en televisieseries gespeeld, maar brak pas echt door in de populaire televisieserie The O.C. als Sandy Cohen. In 2006 bracht hij de cd Seven Days In Memphis uit.

Van 2003 tot 2007 had hij een hoofdrol in de populaire televisieserie The O.C. als Sandy Cohen. Hij heeft alle vier de seizoenen meegedaan.

Gallaghner is de vader van actrice Kathryn Gallagher.

Filmografie 

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| 1980 || Skag || John Skagska || televisiefilm
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| 1980 || The Idolmaker || Caesare || 
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| 1982 || Private Contentment || Logan Melton || televisiefilm
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| 1982 || Summer Lovers || Michael Pappas || 
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| 1984 || A Different Twist || Phil Grey || televisiefilm
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| 1984 || Terrible Joe Moran || Nick || televisiefilm
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| 1985 || Dreamchild || Jack Dolan || 
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| 1987 || Long Day's Journey Into Night || Edmund Tyrone || televisiefilm
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| 1987 || My Little Girl || Kai || 
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| 1988 || The Murder of Mary Phagan || Leo Frank || televisiefilm
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| 1988 || The Caine Mutiny Court-Martial || Lt. Cmdr. John Challee || televisiefilm
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| 1988 || The Big Knife || Charles Castle || televisiefilm
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| 1988 || High Spirits || Brother Tony || 
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| 1988 || I'll Be Home for Christmas || Aaron || televisiefilm
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| 1989 || Sex, Lies, and Videotape || John Mullany || 
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| 1990 || Love and Lies || David West || televisiefilm
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| 1990 || Tune in Tomorrow... || Richard Quince || 
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| 1991 || Milena || Pollak || 
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| 1991 || An Inconvenient Woman || Philip Quennell || televisiefilm
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| 1991 || The Cabinet of Dr. Ramirez || Matt || 
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| 1991 || Late for Dinner || Bob Freeman || 
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| 1992 || The Player || Larry Levy || 
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| 1992 || Bob Roberts || Dan Riley || 
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| 1993 || Watch It || John || 
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| 1993 || Short Cuts || Stormy Weathers || 
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| 1993 || Malice || Atty. Dennis Riley || 
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| 1994 || The Hudsucker Proxy || Vic Tenetta, Party Singer || 
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| 1994 || Mother's Boys || Robert Madigan || 
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| 1994 || White Mile || Jack Robbins || televisiefilm
|-
| 1994 || Mrs. Parker and the Vicious Circle || Alan Campbell || 
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| 1995 || Cafe Society || Jack Kale || 
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| 1995 || While You Were Sleeping || Peter Callaghan || 
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| 1995 || Underneath || Michael Chambers || 
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| 1996 || Last Dance || John Hayes || 
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| 1996 || To Gillian on Her 37th Birthday || David Lewis || 
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| 1996 || Titanic || Wynn Park || televisiefilm
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| 1997 || Path to Paradise: The Untold Story of the World Trade Center Bombing || John Anticev || televisiefilm
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| 1997 || The Man Who Knew Too Little || James 'Jimmy' Ritchie || 
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| 1998 || Johnny Skidmarks || Johnny Scardino || 
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| 1998 || Host || Dr. Joe Messenger || televisiefilm
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| 1998 || Brave New World || Bernard Marx || televisiefilm
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| 1999 || American Beauty || Buddy Kane || 
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| 1999 || House on Haunted Hill || Donald W. Blackburn, M.D. || 
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| 1999 || Brotherhood of Murder || Bob Mathews || televisiefilm
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| 2000 || Other Voices || Jordin || 
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| 2000 || Cupid & Cate || Harry || televisiefilm
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| 2000 || Center Stage || Jonathan Reeves || 
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| 2000 || The Last Debate || Tom Chapman || televisiefilm
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| 2001 || Perfume || Guido || 
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| 2001 || Protection || Ted || 
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| 2001 || Feast of All Saints || Philippe Ferronaire || televisiefilm
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| 2002 || Mr. Deeds || Chuck Cedar || 
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| 2003 || A Tale Of Two Wives || Bill Goodman || televisiefilm
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| 2008 || Center Stage: Turn It Up || Jonathan Reeves || 
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| 2009 || Adam || Marty Buchwald || 
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| 2009 || The War Boys || Slater || 
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| 2010 || Conviction || Barry Scheck || 
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| 2010 || Burlesque || Vince || 
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| 2011 || Someday This Pain Will Be Useful to You  || Paul Sveck || 
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| 2012 || Step Up Revolution || Willion Anderson || 
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| 2015 || Hello, My Name Is Doris || Willy Wiliams || 
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| 2016 || Center Stage: On Pointe || Jonathan Reeves || televisiefilm
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| 2017 || Literally, Right Before Aaron || Orson Schwartsman || 
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| 2017 || Submission || Len Curry || 
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| 2017 || A Bad Moms Christmas || Hank Redmond || 
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| 2019 || After || Ken Scott || 
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| 2020 || Palm Springs || Howard Wilder || 
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| 2020–21 || Zoey's Extraordinary Playlist || Mitch Clarke || televisieserie
|}

Amerikaans acteur