
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.

as Sean Roman

as Peter Butler
1999

as Phillip Ludwick
1990

as Sean Roman
2012

as Sean Roman
2014

as Counter Boy
1999

as Sean Roman
2015

as Brian Eller
2008

as Agent Warren Knox
2010

as Ronald Pergman
2020

as Zane Davis
2022

as Theodore Roosevelt
2018

as Ari
2000
as Will Bishop
2020

as Ed
2025

as Sheriff Hollister
2024

as Will Bishop
2020

as Chris
2019

as Florida Public Defender Dan Dowd
2019

as Jack
2019

as Noah
2019

as Weldon
2018

as Uncle
2015

as Darren Wilson
2015

as William Hemsley
2014

as Devon
2014

as Lars
2014

as Doug
2013

as Brian
2013

as Sam
2012

as Garrity
2012

as Dan (segment "The Second Bakery Attack")
2012

as Ken Evans
2012

as David Hargrove
2012

as Jake
2011

as Dan
2010

as David
2010

as Brian Jansen
2010
as Sean Roman
6 ep.

as Peter Butler
1 episodes

as Phillip Ludwick
1 episodes

as Sean Roman
6 episodes

as Sean Roman
47 episodes

as Counter Boy
1 episodes

as Sean Roman
3 episodes

as Brian Eller
3 episodes

as Agent Warren Knox
1 episodes

as Ronald Pergman
34 episodes

as Zane Davis
15 episodes

as Theodore Roosevelt
10 episodes

as Ari
1 episodes

as Peter
2 episodes

as Dale
14 episodes

as Gene Colder
10 episodes