Brian Timothy Geraghty (born May 13, 1975) is an American actor, known for his role in the Academy Award–winning film The Hurt Locker, for his role alongside Denzel Washington in the 2012 film Flight, and for his recurring role in the acclaimed HBO drama series Boardwalk Empire. He appeared as a regular on NBC's Chicago P.D. from 2014 to 2016.

Brian Geraghty
Brian Geraghty by David Shankbone.jpg
Geraghty at the 2010 Tribeca Film Festival
Brian Timothy Geraghty

(1975-05-13) May 13, 1975 (age 44)
Years active1999–present

Early lifeEdit

Geraghty was born in Toms River, New Jersey, and is of Irish descent.[1] He graduated from Toms River High School East in 1993 and then studied acting at the Neighborhood Playhouse School of Theatre before beginning his professional career in New York City; he later moved to Los Angeles.[2][3]


Geraghty was featured in a small role in the crime drama The Sopranos. Feature roles soon followed, in such pictures as Jarhead, Bobby, The Guardian, We Are Marshall, and The Hurt Locker.[2][3] He also appeared in the January 6, 2010, episode of Law & Order: Special Victims Unit, "Quickie", as a man intentionally infecting women with HIV. In 2013, he portrayed Agent Knox on the HBO crime drama series Boardwalk Empire. In August 2014, Geraghty was cast as a series regular on the second season of the NBC procedural Chicago P.D., playing Sean Roman.[4] In 2018, Geraghty starred in the TNT drama The Alienist, as newspaper NYPD Police Commissioner Theodore Roosevelt.

Personal lifeEdit

In his free time, Geraghty enjoys surfing.[5][6]


Geraghty with actor Jeremy Renner, April 2010
Year Title Role Notes
2002 Petty Crimes Rookie cop
2002 Town Diary Young Frank Ryan
2003 Earl & Puppy Terry Short film
2004 Stateside Chris
2005 Cruel World Collin
2005 Conversations with Other Women Groom
2005 Jarhead Private First Class Fergus O'Donnell
2006 Art School Confidential Stoob
2006 When a Stranger Calls Bobby
2006 Bobby Jimmy
2006 The Guardian Petty Officer 3rd Class Billy Hodge
2006 The Elder Son Greg
2006 We Are Marshall Tom Bogdan
2007 An American Crime Bradley
2007 I Know Who Killed Me Jerrod Pointer
2008 Love Lies Bleeding Duke Direct-to-video
2008 The Hurt Locker Specialist Owen Eldridge
2009 Easier with Practice Davy Mitchell
2010 Krews Henry McFarlin
2010 The Chameleon Brian Jansen
2010 Bastard Man Short film
2010 Open House David
2010 The Second Bakery Attack Dan Short film
2011 Seven Days in Utopia Jake
2011 10 Years Garrity Liamsworth
2012 ATM David Hargrove
2012 Refuge Sam
2012 Flight Ken Evans
2013 Ass Backwards Brian Hickman
2013 Kilimanjaro Doug
2014 Date and Switch Lars
2014 The Identical William Hemsley
2014 Loitering with Intent Devon
2014 WildLike Uncle
2017 My Days of Mercy Weldon
2017 Avenues Jack
2018 The Standoff at Sparrow Creek Noah
2019 Extremely Wicked, Shockingly Evil and Vile Dan Dowd
Year Title Role Notes
1999 Law & Order Phillip Ludwick Episode: "Hate"
1999 The Sopranos Counter boy Episode: "The Legend of Tennessee Moltisanti"
2001 Ed Ari Episode: "Windows of Opportunity"
2010 Law & Order: Special Victims Unit Peter Butler Episode: "Quickie"
2012 True Blood Brian Eller 3 episodes
2013 Boardwalk Empire Warren Knox / Jim Tolliver 10 episodes
2014 Ray Donovan Jim Halloran 8 episodes
2014–2016, 2020 Chicago P.D. Sean Roman Main cast (seasons 2–3); guest (season 7)
2014–2016 Chicago Fire Sean Roman 5 episodes
2015 Law & Order: Special Victims Unit Sean Roman Episode: "Daydream Believer"
2015–2016 Chicago Med Sean Roman Recurring role
2018 The Alienist Theodore Roosevelt Main cast
2020 Briarpatch Gene Colder Main cast

Awards and nominationsEdit

Year Award Category Work Result
2007 Screen Actors Guild Award Outstanding Performance by a Cast in a Motion Picture Bobby Nominated
2009 Gotham Award Best Ensemble Performance The Hurt Locker Won
2009 Washington D.C. Area Film Critics Association Award Best Ensemble The Hurt Locker Won
2010 Screen Actors Guild Award Outstanding Performance by a Cast in a Motion Picture The Hurt Locker Nominated
2014 Screen Actors Guild Award Outstanding Performance by an Ensemble in a Drama Series Boardwalk Empire Nominated


  1. ^ "Irish Eye on Hollywood By TOM DEIGNAN, Irish America Magazine, March 12, 2010". Retrieved 2010-11-28.
  2. ^ a b "Brian Geraghty Pictures, Biography, Filmography, News, Videos". Retrieved 2010-11-28.
  3. ^ a b "Brian Geraghty | Biography, Photos, Movies, TV, Credits". Retrieved 2010-11-28.
  4. ^ Goldberg, Lesley (August 4, 2014). "'Chicago PD' Enlists 'Boardwalk Empire' Alum as New Series Regular". The Hollywood Reporter.
  5. ^ "Brian Geraghty - Yahoo biography". Archived from the original on 2014-04-08. Retrieved 2014-04-07.
  6. ^ "Tick, Tick, Tick … | The Fix". Daily Front Row. Archived from the original on 2010-04-30. Retrieved 2010-11-28.

External linksEdit