Person
Brian Geraghty
Acting · Born 1974-05-13 · Toms River, New Jersey, USA
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
Peter Butler
Law & Order
Phillip Ludwick
The Sopranos
Counter Boy
Chicago Fire
Sean Roman
Chicago P.D.
Sean Roman
Chicago Med
Sean Roman
True Blood
Brian Eller
Boardwalk Empire
Agent Warren Knox
1923
Zane Davis
Big Sky
Ronald Pergman
Filmography
- 2025The Luckiest Man in AmericaEd
- 2024Red Right HandSheriff Hollister
- 20221923Zane Davis
- 2022GaslitPeter
- 2020Big SkyRonald Pergman
- 2020BlindfireWill Bishop
- 2020The FugitiveDale
- 2020BriarpatchGene Colder
- 2019FaithChris
- 2019Extremely Wicked, Shockingly Evil and VileFlorida Public Defender Dan Dowd
- 2019AvenuesJack
- 2019The Standoff at Sparrow CreekNoah
- 2018My Days of MercyWeldon
- 2018The AlienistTheodore Roosevelt
- 2015Chicago MedSean Roman
- 2015WildlikeUncle
- 2015Verbatim: The Ferguson CaseDarren Wilson
- 2015The Stanford Prison ExperimentExecutive Producer
- 2014The IdenticalWilliam Hemsley
- 2014Loitering with IntentDevon
- 2014Date and SwitchLars
- 2014Chicago P.D.Sean Roman
- 2013KilimanjaroDoug
- 2013Ass BackwardsBrian
- 2012RefugeSam
- 2012Chicago FireSean Roman
- 201210 YearsGarrity
- 2012Heroes and DemonsDan (segment "The Second Bakery Attack")
- 2012FlightKen Evans
- 2012ATMDavid Hargrove
- 2011Seven Days in UtopiaJake
- 2010The Second Bakery AttackDan
- 2010Boardwalk EmpireAgent Warren Knox
- 2010Open HouseDavid
- 2010The ChameleonBrian Jansen
- 2010BastardMan
- 2010KrewsHenry McFarlin
- 2010Jake Gyllenhaal Challenges the Winner of the Nobel Peace PrizeFergus O'Donnell (archive footage)
- 2009Easier with PracticeDavy Mitchell
- 2008The Hurt LockerSpecialist Owen Eldridge
- 2008True BloodBrian Eller
- 2008Love Lies BleedingDuke
- 2007An American CrimeBradley
- 2007I Know Who Killed MeJerrod Pointer
- 2006We Are MarshallTom Bogdan
- 2006Cruel WorldCollin
- 2006The GuardianBilly Hodge
- 2006BobbyJimmy
- 2006Conversations with Other WomenGroom
- 2006Art School ConfidentialStoob
- 2006"Jarhead" DiariesSelf
- 2006When a Stranger CallsBobby
- 2006The Elder SonGreg
- 2005JarheadFergus O'Donnell
- 2002Town DiaryYoung Frank Ryan
- 2000EdAri
- 1999Law & Order: Special Victims UnitPeter Butler
- 1999The SopranosCounter Boy
- 1990Law & OrderPhillip Ludwick
- —Kockroach
Follow their work on Vescene
Rate films and shows on two axes — quality and fun — and share taste with friends.