Brian Geraghty

Actor

Born May 13, 1974 in 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.

Acting

The Luckiest Man in America
Film, 2025
as Ed
Red Right Hand
Film, 2024
as Sheriff Hollister
1923
TV series, 2022
as Zane Davis
Gaslit
TV series, 2022
as Peter
Big Sky
TV series, 2020
as Ronald Pergman
Blindfire
Film, 2020
as Will Bishop
The Fugitive
TV series, 2020
as Dale
Briarpatch
TV series, 2020
as Gene Colder
Faith
Film, 2019
as Chris
Extremely Wicked, Shockingly Evil and Vile
Film, 2019
as Florida Public Defender Dan Dowd
Avenues
Film, 2019
as Jack
The Standoff at Sparrow Creek
Film, 2019
as Noah
My Days of Mercy
Film, 2018
as Weldon
The Alienist
TV series, 2018
as Theodore Roosevelt
Chicago Med
TV series, 2015
as Sean Roman
Wildlike
Film, 2015
as Uncle
Verbatim: The Ferguson Case
Film, 2015
as Darren Wilson
The Identical
Film, 2014
as William Hemsley
Loitering with Intent
Film, 2014
as Devon
Date and Switch
Film, 2014
as Lars
Chicago P.D.
TV series, 2014
as Sean Roman
Kilimanjaro
Film, 2013
as Doug
Ass Backwards
Film, 2013
as Brian
Refuge
Film, 2012
as Sam
Chicago Fire
TV series, 2012
as Sean Roman
10 Years
Film, 2012
as Garrity
Heroes and Demons
Film, 2012
as Dan (segment "The Second Bakery Attack")
Flight
Film, 2012
as Ken Evans
ATM
Film, 2012
as David Hargrove
Seven Days in Utopia
Film, 2011
as Jake