Brian Geraghty
Biography
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.
Gallery
Known For
Acting History
2025
The Luckiest Man in America as Ed
2024Red Right Hand as Sheriff Hollister
20221923 as Zane Davis
2022Gaslit as Peter
2020Big Sky as Ronald Pergman
2020Blindfire as Will Bishop
2020The Fugitive as Dale
2020Briarpatch as Gene Colder
2019Faith as Chris
2019Extremely Wicked, Shockingly Evil and Vile as Florida Public Defender Dan Dowd
2019Avenues as Jack
2019The Standoff at Sparrow Creek as Noah
2018My Days of Mercy as Weldon
2018The Alienist as Theodore Roosevelt
2015Chicago Med as Sean Roman
2015Wildlike as Uncle
2015Verbatim: The Ferguson Case as Darren Wilson
2014The Identical as William Hemsley
2014Loitering with Intent as Devon
2014Date and Switch as Lars
2014Chicago P.D. as Sean Roman
2013Kilimanjaro as Doug
2013Ass Backwards as Brian
2012Refuge as Sam
2012Chicago Fire as Sean Roman
201210 Years as Garrity
2012Flight as Ken Evans
2012ATM as David Hargrove
2011Seven Days in Utopia as Jake
2010The Second Bakery Attack as Dan
2010Open House as David
2010The Chameleon as Brian Jansen
2010Bastard as Man
2010Krews as Henry McFarlin
2010Jake Gyllenhaal Challenges the Winner of the Nobel Peace Prize as Fergus O'Donnell (archive footage)
2009Easier with Practice as Davy Mitchell
2008The Hurt Locker as Specialist Owen Eldridge
2008True Blood as Brian Eller
2008Love Lies Bleeding as Duke
2007I Know Who Killed Me as Jerrod Pointer
2007An American Crime as Bradley
2006We Are Marshall as Tom Bogdan
2006Cruel World as Collin
2006The Guardian as Billy Hodge
2006Bobby as Jimmy
2006Conversations with Other Women as Groom
2006Art School Confidential as Stoob
2006When a Stranger Calls as Bobby
2006The Elder Son as Greg
2005Jarhead as Fergus O'Donnell
2002Town Diary as Young Frank Ryan
2000Ed as Ari
1999Law & Order: Special Victims Unit as Peter Butler
1999Law & Order: Special Victims Unit as Sean Roman
1999The Sopranos as Counter Boy
1990Law & Order as Phillip Ludwick