Brian Geraghty
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.
Acted in
The Luckiest Man in America
2024
Red Right Hand
2024
as Sheriff Hollister
1923
2022
as Zane Davis
Gaslit
2022
as Peter
Big Sky
2020
as Ronald Pergman
Blindfire
2020
as Will Bishop
The Fugitive
2020
as Dale
Briarpatch
2020
as Gene Colder
Faith
2019
as Chris
Extremely Wicked, Shockingly Evil and Vile
2019
as Florida Public Defender Dan Dowd
Avenues
2019
as Jack
The Standoff at Sparrow Creek
2019
as Noah
My Days of Mercy
2018
as Weldon
The Alienist
2018
as Theodore Roosevelt
Chicago Med
2015
as Sean Roman
Wildlike
2015
as Uncle
Verbatim: The Ferguson Case
2015
as Darren Wilson
The Identical
2014
as William Hemsley
Loitering with Intent
2014
as Devon
Date and Switch
2014
as Lars
Chicago P.D.
2014
as Sean Roman
Kilimanjaro
2013
as Doug
Ass Backwards
2013
as Brian
Flight
2012
as Ken Evans
Refuge
2012
as Sam
Chicago Fire
2012
as Sean Roman
10 Years
2012
as Garrity
ATM
2012
as David
Seven Days in Utopia
2011
as Jake
The Second Bakery Attack
2010
as Dan
Open House
2010
as David
The Chameleon
2010
as Brian Jansen
Bastard
2010
as Man
Krews
2010
as Henry McFarlin
Jake Gyllenhaal Challenges the Winner of the Nobel Peace Prize
2010
as Fergus O'Donnell (archive footage)
Easier with Practice
2009
as Davy Mitchell
The Hurt Locker
2008
as Specialist Owen Eldridge
True Blood
2008
as Brian Eller
Love Lies Bleeding
2008
as Duke
An American Crime
2007
as Bradley
I Know Who Killed Me
2007
as Jerrod Pointer
We Are Marshall
2006
as Tom Bogdan
The Guardian
2006
as Billy Hodge
Bobby
2006
as Jimmy
Conversations with Other Women
2006
as Groom
Art School Confidential
2006
as Stoob
When a Stranger Calls
2006
as Bobby
The Elder Son
2006
as Greg
Jarhead
2005
as Fergus O'Donnell
Cruel World
2005
as Collin
Town Diary
2002
as Young Frank Ryan
Ed
2000
as Ari
Law & Order: Special Victims Unit
1999
as Peter Butler
Law & Order: Special Victims Unit
1999
as Sean Roman
The Sopranos
1999
as Counter Boy
Law & Order
1990
as Phillip Ludwick