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 (58 titles)
6.3MovieThe Luckiest Man in America
Ed · 2025
6.5MovieRed Right Hand
Sheriff Hollister · 2024
8.3Show1923
Zane Davis · 2022
6.9ShowGaslit
Peter · 2022
7.2ShowBig Sky
Ronald Pergman · 2020
6.8MovieBlindfire
Will Bishop · 2020
6.2ShowThe Fugitive
Dale · 2020
6.7ShowBriarpatch
Gene Colder · 2020
1.7MovieFaith
Chris · 2019
7.0MovieExtremely Wicked, Shockingly Evil and Vile
Florida Public Defender Dan Dowd · 2019
6.1MovieAvenues
Jack · 2019
6.1MovieThe Standoff at Sparrow Creek
Noah · 2019
7.3MovieMy Days of Mercy
Weldon · 2018
7.5ShowThe Alienist
Theodore Roosevelt · 2018
8.3ShowChicago Med
Sean Roman · 2015
6.2MovieWildlike
Uncle · 2015
MovieVerbatim: The Ferguson Case
Darren Wilson · 2015
5.1MovieThe Identical
William Hemsley · 2014
4.2MovieLoitering with Intent
Devon · 2014
5.8MovieDate and Switch
Lars · 2014
8.4ShowChicago P.D.
Sean Roman · 2014
4.8MovieKilimanjaro
Doug · 2013
4.4MovieAss Backwards
Brian · 2013
5.9MovieRefuge
Sam · 2012
8.4ShowChicago Fire
Sean Roman · 2012
5.8Movie10 Years
Garrity · 2012
6.5MovieHeroes and Demons
Dan (segment "The Second Bakery Attack") · 2012
6.9MovieFlight
Ken Evans · 2012
5.1MovieATM
David Hargrove · 2012
5.7MovieSeven Days in Utopia
Jake · 2011