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Personal Info
Known For
Acting
Birthday
May 13, 1974
Place of Birth
Toms River, New Jersey, USA
Also Known As
- Brian Timothy Geraghty
Brian Geraghty
1.1 Popularity
Biography
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.
Known For
6.4
Ed
The Luckiest Man in America
2025
6.7
Sheriff Hollister
Red Right Hand
2024
8.2
Zane Davis
1923
2022
6.8
Peter
Gaslit
2022
7.3
Ronald Pergman
Big Sky
2020
6.7
Will Bishop
Blindfire
2020
6.2
Dale
The Fugitive
2020
6.7
Gene Colder
Briarpatch
2020
1.7
Chris
Faith
2019
7.0
Florida Public Defender Dan Dowd
Extremely Wicked, Shockingly Evil and Vile
2019
Credits
The Luckiest Man in America
as Ed
2025
6.4
Red Right Hand
as Sheriff Hollister
2024
6.7
1923
as Zane Davis
2022
8.2
Gaslit
as Peter
2022
6.8
Big Sky
as Ronald Pergman
2020
7.3
Blindfire
as Will Bishop
2020
6.7
The Fugitive
as Dale
2020
6.2
Briarpatch
as Gene Colder
2020
6.7
Faith
as Chris
2019
1.7
Extremely Wicked, Shockingly Evil and Vile
as Florida Public Defender Dan Dowd
2019
7.0
Avenues
as Jack
2019
6.1
The Standoff at Sparrow Creek
as Noah
2019
6.1
My Days of Mercy
as Weldon
2018
7.3
The Alienist
as Theodore Roosevelt
2018
7.5
Chicago Med
as Sean Roman
2015
8.3
Wildlike
as Uncle
2015
6.2
Verbatim: The Ferguson Case
as Darren Wilson
2015
0.0
The Identical
as William Hemsley
2014
5.1
Loitering with Intent
as Devon
2014
4.2
Date and Switch
as Lars
2014
5.8
Chicago P.D.
as Sean Roman
2014
8.4
Kilimanjaro
as Doug
2013
4.8
Ass Backwards
as Brian
2013
4.4
Refuge
as Sam
2012
5.9
Chicago Fire
as Sean Roman
2012
8.4
10 Years
as Garrity
2012
5.8
Flight
as Ken Evans
2012
6.9
ATM
as David Hargrove
2012
5.1
Seven Days in Utopia
as Jake
2011
5.6
The Second Bakery Attack
as Dan
2010
4.8
Open House
as David
2010
4.6
The Chameleon
as Brian Jansen
2010
5.3
Bastard
as Man
2010
4.4
Krews
as Henry McFarlin
2010
5.3
Jake Gyllenhaal Challenges the Winner of the Nobel Peace Prize
as Fergus O'Donnell (archive footage)
2010
3.8
Easier with Practice
as Davy Mitchell
2009
6.4
The Hurt Locker
as Specialist Owen Eldridge
2008
7.3
True Blood
as Brian Eller
2008
7.6
Love Lies Bleeding
as Duke
2008
6.1
An American Crime
as Bradley
2007
7.3
I Know Who Killed Me
as Jerrod Pointer
2007
4.5
We Are Marshall
as Tom Bogdan
2006
6.9
Cruel World
as Collin
2006
4.2
The Guardian
as Billy Hodge
2006
7.1
Bobby
as Jimmy
2006
6.4
Conversations with Other Women
as Groom
2006
6.3
Art School Confidential
as Stoob
2006
6.1
When a Stranger Calls
as Bobby
2006
5.7
The Elder Son
as Greg
2006
5.9
Jarhead
as Fergus O'Donnell
2005
6.7
Town Diary
as Young Frank Ryan
2002
0.0
Ed
as Ari
2000
7.7
Law & Order: Special Victims Unit
as Peter Butler
1999
7.9
Law & Order: Special Victims Unit
as Sean Roman
1999
7.9
The Sopranos
as Counter Boy
1999
8.6
Law & Order
as Phillip Ludwick
1990
7.4