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
Red Right Hand
(2024)
Sheriff Hollister
Jarhead
(2005)
Fergus O'Donnell
The Guardian
(2006)
Billy Hodge
Flight
(2012)
Ken Evans
The Hurt Locker
(2008)
Specialist Owen Eldridge
Extremely Wicked, Shockingly Evil and Vile
(2019)
Dan Dowd
I Know Who Killed Me
(2007)
Jerrod Pointer
When a Stranger Calls
(2006)
Bobby
An American Crime
(2007)
Bradley
Date and Switch
(2014)
Lars
Wildlike
(2015)
Uncle
Ass Backwards
(2013)
Brian
Bobby
(2006)
Jimmy
My Days of Mercy
(2018)
Weldon
10 Years
(2012)
Garrity
Blindfire
(2020)
Will Bishop
Full Filmography
Acting
Town Diary
(2002)
Young Frank Ryan
Jarhead
(2005)
Fergus O'Donnell
Cruel World
(2005)
Collin
When a Stranger Calls
(2006)
Bobby
Conversations with Other Women
(2006)
Groom
The Elder Son
(2006)
Greg
Art School Confidential
(2006)
Stoob
We Are Marshall
(2006)
Tom Bogdan
The Guardian
(2006)
Billy Hodge
Bobby
(2006)
Jimmy
An American Crime
(2007)
Bradley
I Know Who Killed Me
(2007)
Jerrod Pointer
The Hurt Locker
(2008)
Specialist Owen Eldridge
Love Lies Bleeding
(2008)
Duke
Easier with Practice
(2009)
Davy Mitchell
Krews
(2010)
Henry McFarlin
The Chameleon
(2010)
Brian Jansen
The Second Bakery Attack
(2010)
Dan
Bastard
(2010)
Man
Jake Gyllenhaal Challenges the Winner of the Nobel Peace Prize
(2010)
Fergus O'Donnell (archive footage)
Open House
(2010)
David
Seven Days in Utopia
(2011)
Jake
ATM
(2012)
David
Flight
(2012)
Ken Evans
Refuge
(2012)
Sam
10 Years
(2012)
Garrity
Ass Backwards
(2013)
Brian
Kilimanjaro
(2013)
Doug
Date and Switch
(2014)
Lars
Loitering with Intent
(2014)
Devon
The Identical
(2014)
William Hemsley
Wildlike
(2015)
Uncle
Verbatim: The Ferguson Case
(2015)
Darren Wilson
My Days of Mercy
(2018)
Weldon
The Standoff at Sparrow Creek
(2019)
Noah
Extremely Wicked, Shockingly Evil and Vile
(2019)
Dan Dowd
Avenues
(2019)
Jack
Faith
(2019)
Chris
Blindfire
(2020)
Will Bishop
Red Right Hand
(2024)
Sheriff Hollister
Production