Brian Timothy Geraghty (born May 13, 1975 in Toms River, New Jersey) is an American actor best known for The Hurt Locker, Chicago P.D., and Boardwalk Empire.
Film Roles
- Stateside as Chris
- Cruel World as Collin
- Coversations With Other Women as Groom
- Jarhead as Private 1st Class Fergus O'Donnell
- Bobby as Jimmy
- The Guardian as Petty Officer 3rd Class Billy Hodge
- An American Crime as Bradley
- The Hurt Locker as Specialist Owen Eldridge
- Flight as Ken Evans
- My Days of Mercy as Weldon
- The Standoff At Sparrow Creek as Noah
- Extremely Wicked, Shockingly Evil, and Vile as Dan Dowd
Television Roles
- Law & Order as Phillip Ludwick (1 episode)
- The Sopranos as Counter Boy (1 episode)
- Ed as Ari (1 episode)
- Law & Order: Special Victims Unit as Peter Butler/Sean Roman (2 episodes)
- True Blood as Brian Eller (3 episodes)
- Boardwalk Empire as Warren Knox/Jim Tolliver (10 episodes)
- Ray Donovan as Jim Halloran (8 episodes)
- One Chicago
- Chicago P.D. as Sean Roman (2014-2016, 2020)
- Chicago Fire as Sean Roman (6 episodes)
- Chicago Med as Sean Roman (recurring)
- The Alienist as Theodore Roosevelt
- Briarpatch as Gene Colder
- The Big Sky as Ronald Pergman
- 1923 as Zan Davis
