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.
Known For
Law & Order: Special Victims Unit
Law & Order: Special Victims Unit
Law & Order
Chicago Fire
Chicago P.D.
The Sopranos
Chicago Med
True Blood
All Movies (44)
- The Luckiest Man in America2025 · as Ed
- Red Right Hand2024 · as Sheriff Hollister
- Blindfire2020 · as Will Bishop
- Faith2019 · as Chris
- Extremely Wicked, Shockingly Evil and Vile2019 · as Florida Public Defender Dan Dowd
- Avenues2019 · as Jack
- The Standoff at Sparrow Creek2019 · as Noah
- My Days of Mercy2018 · as Weldon
- Wildlike2015 · as Uncle
- Verbatim: The Ferguson Case2015 · as Darren Wilson
- The Identical2014 · as William Hemsley
- Loitering with Intent2014 · as Devon
- Date and Switch2014 · as Lars
- Kilimanjaro2013 · as Doug
- Ass Backwards2013 · as Brian
- Refuge2012 · as Sam
- 10 Years2012 · as Garrity
- Heroes and Demons2012 · as Dan (segment "The Second Bakery Attack")
- Flight2012 · as Ken Evans
- ATM2012 · as David Hargrove
- Seven Days in Utopia2011 · as Jake
- The Second Bakery Attack2010 · as Dan
- Open House2010 · as David
- The Chameleon2010 · as Brian Jansen
- Bastard2010 · as Man
- Krews2010 · as Henry McFarlin
- Jake Gyllenhaal Challenges the Winner of the Nobel Peace Prize2010 · as Fergus O'Donnell (archive footage)
- Easier with Practice2009 · as Davy Mitchell
- The Hurt Locker2008 · as Specialist Owen Eldridge
- Love Lies Bleeding2008 · as Duke
- An American Crime2007 · as Bradley
- I Know Who Killed Me2007 · as Jerrod Pointer
- We Are Marshall2006 · as Tom Bogdan
- Cruel World2006 · as Collin
- The Guardian2006 · as Billy Hodge
- Bobby2006 · as Jimmy
- Conversations with Other Women2006 · as Groom
- Art School Confidential2006 · as Stoob
- "Jarhead" Diaries2006 · as Self
- When a Stranger Calls2006 · as Bobby
- The Elder Son2006 · as Greg
- Jarhead2005 · as Fergus O'Donnell
- Town Diary2002 · as Young Frank Ryan
- Kockroach—
All TV Shows (16)
- 19232022 · as Zane Davis
- Gaslit2022 · as Peter
- Big Sky2020 · as Ronald Pergman
- The Fugitive2020 · as Dale
- Briarpatch2020 · as Gene Colder
- The Alienist2018 · as Theodore Roosevelt
- Chicago Med2015 · as Sean Roman
- Chicago P.D.2014 · as Sean Roman
- Chicago Fire2012 · as Sean Roman
- Boardwalk Empire2010 · as Agent Warren Knox
- True Blood2008 · as Brian Eller
- Ed2000 · as Ari
- Law & Order: Special Victims Unit1999 · as Peter Butler
- Law & Order: Special Victims Unit1999 · as Sean Roman
- The Sopranos1999 · as Counter Boy
- Law & Order1990 · as Phillip Ludwick