Acting · Toms River, New Jersey, USA · Born May 13, 1974
Brian Timothy Geraghty (born May 13, 1974) is an American film and television actor, best known for his roles as Ronald Pergman on Big Sky, Dale on the series The Fugitive, Gene Colder on Briarpatch, Theodore Roosevelt on The Alienist, Police Officer Sean Roman on Chicago P.D., Specialist Owen Eldredge in the Academy Award-winning film The Hurt Locker, Tom Bogdan in We Are Marshall, Billy Hodge in The Guardian, and Fergus O'Donnell in Jarhead.
MovieThe Luckiest Man in America
2025
as Ed
MovieRed Right Hand
2024
as Sheriff Hollister
TV1923
2022
as Zane Davis
TVGaslit
2022
as Peter
TVBig Sky
2020
as Ronald Pergman
MovieBlindfire
2020
as Will Bishop
TVThe Fugitive
2020
as Dale
TVBriarpatch
2020
as Gene Colder
MovieFaith
2019
as Chris
MovieExtremely Wicked, Shockingly Evil and Vile
2019
as Florida Public Defender Dan Dowd
MovieAvenues
2019
as Jack
MovieThe Standoff at Sparrow Creek
2019
as Noah
MovieMy Days of Mercy
2018
as Weldon
TVThe Alienist
2018
as Theodore Roosevelt
TVChicago Med
2015
as Sean Roman
MovieWildlike
2015
as Uncle
MovieVerbatim: The Ferguson Case
2015
as Darren Wilson
MovieThe Identical
2014
as William Hemsley
MovieLoitering with Intent
2014
as Devon
MovieDate and Switch
2014
as Lars
TVChicago P.D.
2014
as Sean Roman
MovieKilimanjaro
2013
as Doug
MovieAss Backwards
2013
as Brian
MovieRefuge
2012
as Sam
TVChicago Fire
2012
as Sean Roman
Movie10 Years
2012
as Garrity
MovieHeroes and Demons
2012
as Dan (segment "The Second Bakery Attack")
MovieFlight
2012
as Ken Evans
MovieATM
2012
as David Hargrove
MovieSeven Days in Utopia
2011
as Jake
MovieThe Second Bakery Attack
2010
as Dan
TVBoardwalk Empire
2010
as Agent Warren Knox
MovieOpen House
2010
as David
MovieThe Chameleon
2010
as Brian Jansen
MovieBastard
2010
as Man
MovieKrews
2010
as Henry McFarlin
MovieJake Gyllenhaal Challenges the Winner of the Nobel Peace Prize
2010
as Fergus O'Donnell (archive footage)
MovieEasier with Practice
2009
as Davy Mitchell
MovieThe Hurt Locker
2008
as Specialist Owen Eldridge
TVTrue Blood
2008
as Brian Eller
MovieLove Lies Bleeding
2008
as Duke
MovieAn American Crime
2007
as Bradley
MovieI Know Who Killed Me
2007
as Jerrod Pointer
MovieWe Are Marshall
2006
as Tom Bogdan
MovieCruel World
2006
as Collin
MovieThe Guardian
2006
as Billy Hodge
MovieBobby
2006
as Jimmy
MovieConversations with Other Women
2006
as Groom
MovieArt School Confidential
2006
as Stoob
Movie"Jarhead" Diaries
2006
as Self
MovieWhen a Stranger Calls
2006
as Bobby
MovieThe Elder Son
2006
as Greg
MovieJarhead
2005
as Fergus O'Donnell
MovieTown Diary
2002
as Young Frank Ryan
TVEd
2000
as Ari
TVLaw & Order: Special Victims Unit
1999
as Peter Butler
TVThe Sopranos
1999
as Counter Boy
TVLaw & Order
1990
as Phillip Ludwick
Kockroach
