Brian Geraghty

Acting

Brian Geraghty

Born May 13, 1974Toms River, New Jersey, USA57 credits

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

The Luckiest Man in America
6.3

The Luckiest Man in America

Movie

2025

Red Right Hand
6.6

Red Right Hand

Movie

2024

1923
8.2

1923

TV

2022

Gaslit
6.8

Gaslit

TV

2022

Big Sky
7.2

Big Sky

TV

2020

Blindfire
6.7

Blindfire

Movie

2020

Filmography

The Luckiest Man in America
2025The Luckiest Man in Americaas EdMovie
Red Right Hand
2024Red Right Handas Sheriff HollisterMovie
1923
20221923as Zane DavisTV
Gaslit
2022Gaslitas PeterTV
Big Sky
2020Big Skyas Ronald PergmanTV
Blindfire
2020Blindfireas Will BishopMovie
The Fugitive
2020The Fugitiveas DaleTV
Briarpatch
2020Briarpatchas Gene ColderTV
Faith
2019Faithas ChrisMovie
Extremely Wicked, Shockingly Evil and Vile
2019Extremely Wicked, Shockingly Evil and Vileas Florida Public Defender Dan DowdMovie
Avenues
2019Avenuesas JackMovie
The Standoff at Sparrow Creek
2019The Standoff at Sparrow Creekas NoahMovie
My Days of Mercy
2018My Days of Mercyas WeldonMovie
The Alienist
2018The Alienistas Theodore RooseveltTV
Chicago Med
2015Chicago Medas Sean RomanTV
Wildlike
2015Wildlikeas UncleMovie
Verbatim: The Ferguson Case
2015Verbatim: The Ferguson Caseas Darren WilsonMovie
The Stanford Prison Experiment
2015The Stanford Prison ExperimentExecutive ProducerMovie
The Identical
2014The Identicalas William HemsleyMovie
Loitering with Intent
2014Loitering with Intentas DevonMovie
Date and Switch
2014Date and Switchas LarsMovie
Chicago P.D.
2014Chicago P.D.as Sean RomanTV
Kilimanjaro
2013Kilimanjaroas DougMovie
Ass Backwards
2013Ass Backwardsas BrianMovie
Refuge
2012Refugeas SamMovie
Chicago Fire
2012Chicago Fireas Sean RomanTV
10 Years
201210 Yearsas GarrityMovie
Flight
2012Flightas Ken EvansMovie
ATM
2012ATMas David HargroveMovie
Seven Days in Utopia
2011Seven Days in Utopiaas JakeMovie
The Second Bakery Attack
2010The Second Bakery Attackas DanMovie
Boardwalk Empire
2010Boardwalk Empireas Agent Warren KnoxTV
Open House
2010Open Houseas DavidMovie
The Chameleon
2010The Chameleonas Brian JansenMovie
Bastard
2010Bastardas ManMovie
Krews
2010Krewsas Henry McFarlinMovie
Jake Gyllenhaal Challenges the Winner of the Nobel Peace Prize
2010Jake Gyllenhaal Challenges the Winner of the Nobel Peace Prizeas Fergus O'Donnell (archive footage)Movie
Easier with Practice
2009Easier with Practiceas Davy MitchellMovie
The Hurt Locker
2008The Hurt Lockeras Specialist Owen EldridgeMovie
True Blood
2008True Bloodas Brian EllerTV
Love Lies Bleeding
2008Love Lies Bleedingas DukeMovie
An American Crime
2007An American Crimeas BradleyMovie
I Know Who Killed Me
2007I Know Who Killed Meas Jerrod PointerMovie
We Are Marshall
2006We Are Marshallas Tom BogdanMovie
Cruel World
2006Cruel Worldas CollinMovie
The Guardian
2006The Guardianas Billy HodgeMovie
Bobby
2006Bobbyas JimmyMovie
Conversations with Other Women
2006Conversations with Other Womenas GroomMovie
Art School Confidential
2006Art School Confidentialas StoobMovie
When a Stranger Calls
2006When a Stranger Callsas BobbyMovie
The Elder Son
2006The Elder Sonas GregMovie
Jarhead
2005Jarheadas Fergus O'DonnellMovie
Town Diary
2002Town Diaryas Young Frank RyanMovie
Ed
2000Edas AriTV
Law & Order: Special Victims Unit
1999Law & Order: Special Victims Unitas Peter ButlerTV
The Sopranos
1999The Sopranosas Counter BoyTV
Law & Order
1990Law & Orderas Phillip LudwickTV