Acting
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.
Filmography
The Luckiest Man in America
Film · 2025
Red Right Hand
Film · 2024
Gaslit
Series · 2022
1923
Series · 2022
Blindfire
Film · 2020
Briarpatch
Series · 2020
Big Sky
Series · 2020
The Fugitive
Series · 2020
The Standoff at Sparrow Creek
Film · 2019
Extremely Wicked, Shockingly Evil and Vile
Film · 2019
Avenues
Film · 2019
Faith
Film · 2019
My Days of Mercy
Film · 2018
The Alienist
Series · 2018
Wildlike
Film · 2015
Verbatim: The Ferguson Case
Film · 2015
Chicago Med
Series · 2015
Date and Switch
Film · 2014
Loitering with Intent
Film · 2014
The Identical
Film · 2014
Chicago P.D.
Series · 2014
Ass Backwards
Film · 2013
Kilimanjaro
Film · 2013
ATM
Film · 2012
Refuge
Film · 2012
Flight
Film · 2012
10 Years
Film · 2012
Heroes and Demons
Film · 2012
Chicago Fire
Series · 2012
Seven Days in Utopia
Film · 2011
Krews
Film · 2010
The Chameleon
Film · 2010
The Second Bakery Attack
Film · 2010
Bastard
Film · 2010
Jake Gyllenhaal Challenges the Winner of the Nobel Peace Prize
Film · 2010
Open House
Film · 2010
Boardwalk Empire
Series · 2010
Easier with Practice
Film · 2009
The Hurt Locker
Film · 2008
Love Lies Bleeding
Film · 2008
True Blood
Series · 2008
An American Crime
Film · 2007
I Know Who Killed Me
Film · 2007
When a Stranger Calls
Film · 2006
Conversations with Other Women
Film · 2006
The Elder Son
Film · 2006
Art School Confidential
Film · 2006
We Are Marshall
Film · 2006
The Guardian
Film · 2006
Cruel World
Film · 2006
Bobby
Film · 2006
"Jarhead" Diaries
Film · 2006
Jarhead
Film · 2005
Town Diary
Film · 2002
Ed
Series · 2000
The Sopranos
Series · 1999
Law & Order: Special Victims Unit
Series · 1999
Law & Order: Special Victims Unit
Series · 1999
Law & Order
Series · 1990
Kockroach
Film