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.

Brian Geraghty

Acting Born May 13, 1974 Toms River, New Jersey, USA

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: Special Victims Unit

Sean Roman

Law & Order

Phillip Ludwick

Chicago P.D.

Sean Roman

Chicago Fire

Sean Roman

Chicago Med

Sean Roman

The Sopranos

Counter Boy

True Blood

Brian Eller

Boardwalk Empire

Agent Warren Knox

1923

Zane Davis

Big Sky

Ronald Pergman

The Alienist

Theodore Roosevelt