
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

1999
Law & Order: Special Victims Unit
1999 · tv

1990
Law & Order
1990 · tv

2015
Chicago Med
2015 · tv

2012
Chicago Fire
2012 · tv

2014
Chicago P.D.
2014 · tv

1999
The Sopranos
1999 · tv

2008
True Blood
2008 · tv

2010
Boardwalk Empire
2010 · tv

2022
1923
2022 · tv

2020
Big Sky
2020 · tv

2000
Ed
2000 · tv

2018
The Alienist
2018 · tv

2008
The Hurt Locker
2008 · movie

2006
The Guardian
2006 · movie

2022
Gaslit
2022 · tv

2012
Flight
2012 · movie

2005
Jarhead
2005 · movie

2020
The Fugitive
2020 · tv

2020
Briarpatch
2020 · tv

2006
Bobby
2006 · movie

2019
Extremely Wicked, Shockingly Evil and Vile
2019 · movie

2024
Red Right Hand
2024 · movie

2007
An American Crime
2007 · movie

2006
When a Stranger Calls
2006 · movie

2006
Art School Confidential
2006 · movie

2012
10 Years
2012 · movie

2006
We Are Marshall
2006 · movie

2007
I Know Who Killed Me
2007 · movie
Kockroach
—
Kockroach
— · movie

2012
Heroes and Demons
2012 · movie