Acting

Brian Geraghty

Born 1974-05-13 · Toms River, New Jersey, USA

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.

Credits

Newest first

The Luckiest Man in America
as Ed
2025
Red Right Hand
as Sheriff Hollister
2024
1923
as Zane Davis
2022
Gaslit
as Peter
2022
Big Sky
as Ronald Pergman
2020
Blindfire
as Will Bishop
2020
The Fugitive
as Dale
2020
Briarpatch
as Gene Colder
2020
Faith
as Chris
2019
Extremely Wicked, Shockingly Evil and Vile
as Florida Public Defender Dan Dowd
2019
Avenues
as Jack
2019
The Standoff at Sparrow Creek
as Noah
2019
My Days of Mercy
as Weldon
2018
The Alienist
as Theodore Roosevelt
2018
Chicago Med
as Sean Roman
2015
Wildlike
as Uncle
2015
Verbatim: The Ferguson Case
as Darren Wilson
2015
The Stanford Prison Experiment
Executive Producer
2015
The Identical
as William Hemsley
2014
Loitering with Intent
as Devon
2014
Date and Switch
as Lars
2014
Chicago P.D.
as Sean Roman
2014
Kilimanjaro
as Doug
2013
Ass Backwards
as Brian
2013
Refuge
as Sam
2012
Chicago Fire
as Sean Roman
2012
10 Years
as Garrity
2012
Heroes and Demons
as Dan (segment "The Second Bakery Attack")
2012
Flight
as Ken Evans
2012
ATM
as David Hargrove
2012
Seven Days in Utopia
as Jake
2011
The Second Bakery Attack
as Dan
2010
Boardwalk Empire
as Agent Warren Knox
2010
Open House
as David
2010
The Chameleon
as Brian Jansen
2010
Bastard
as Man
2010
Krews
as Henry McFarlin
2010
Jake Gyllenhaal Challenges the Winner of the Nobel Peace Prize
as Fergus O'Donnell (archive footage)
2010
Easier with Practice
as Davy Mitchell
2009
The Hurt Locker
as Specialist Owen Eldridge
2008
True Blood
as Brian Eller
2008
Love Lies Bleeding
as Duke
2008
An American Crime
as Bradley
2007
I Know Who Killed Me
as Jerrod Pointer
2007
We Are Marshall
as Tom Bogdan
2006
Cruel World
as Collin
2006
The Guardian
as Billy Hodge
2006
Bobby
as Jimmy
2006
Conversations with Other Women
as Groom
2006
Art School Confidential
as Stoob
2006
"Jarhead" Diaries
as Self
2006
When a Stranger Calls
as Bobby
2006
The Elder Son
as Greg
2006
Jarhead
as Fergus O'Donnell
2005
Town Diary
as Young Frank Ryan
2002
Ed
as Ari
2000
Law & Order: Special Victims Unit
as Peter Butler
1999
Law & Order: Special Victims Unit
as Sean Roman
1999
The Sopranos
as Counter Boy
1999
Law & Order
as Phillip Ludwick
1990
Kockroach
—