Person · Actor
Brian Geraghty
- Also:
- Producer
In short · Acting since 1999, 4 decades active, 44 credits.
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Biography
Brian Timothy Geraghty (born May 13, 1974) is an American film and television actor. He is best known for his role 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 · 44 of 44
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Actor
44 credits
Monument(2026)
Moses Brown
Film
The Luckiest Man in America(2024)
Ed
Film
Red Right Hand(2024)
Sheriff Hollister
Film
1923(2022)
Zane Davis
TV
Blindfire(2020)
Will Bishop
Film
The Fugitive(2020)
Colin Murphy
TV
Big Sky(2020)
Ronald Pergman
TV
Faith(2019)
Chris
FilmBriarpatch(2019)
Gene Colder
TV
Extremely Wicked, Shockingly Evil and Vile(2019)
Florida Public Defender Dan Dowd
Film
The Standoff at Sparrow Creek(2018)
Noah
Film
The Alienist(2018)
Theodore Roosevelt
TV
Special Skills(2017)
Actor
TV
My Days of Mercy(2017)
Weldon
Film
Wildlike(2014)
Uncle
Film
Loitering with Intent(2014)
Devon
Film
The Identical(2014)
William Hemsley
Film
Kilimanjaro(2013)
Doug
Film
Ass Backwards(2013)
Brian
Film
Refuge(2012)
Sam
Film
ATM(2012)
David Hargrove
Film
Flight(2012)
Ken Evans
Film
Heroes and Demons(2012)
Dan (segment "The Second Bakery Attack")
Film
Seven Days in Utopia(2011)
Jake
Film
Krews(2010)
Henry McFarlin
Film
Open House(2010)
David
Film
Bastard(2010)
Man
Film
The Second Bakery Attack(2010)
Dan
Film
Jake Gyllenhaal Challenges the Winner of the Nobel Peace Prize(2010)
Fergus O'Donnell
Film
The Chameleon(2010)
Brian Jansen
Film
Originals
Streaming originals this person worked on.
Representation
- Agent
Gersh Agency· Updated Jun 10, 2026
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