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Brian Geraghty
Acting
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
Law & Order: Special Victims Unit
1999
Law & Order: Special Victims Unit
1999
Law & Order
1990
The Sopranos
1999
Chicago Fire
2012
Chicago P.D.
2014
Chicago Med
2015
Big Sky
2020
True Blood
2008
Boardwalk Empire
2010
1923
2022
The Alienist
2018
Gaslit
2022
Briarpatch
2020
The Hurt Locker
2008
Jarhead
2005
Flight
2012
Red Right Hand
2024
Extremely Wicked, Shockingly Evil and Vile
2019
The Guardian
2006
Bobby
2006
When a Stranger Calls
2006
An American Crime
2007
We Are Marshall
2006
ATM
2012
Date and Switch
2014
The Luckiest Man in America
2025
10 Years
2012
Art School Confidential
2006
I Know Who Killed Me
2007
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