Cast Member

Officer Sean Roman

Brian Geraghty


Brian Geraghty stars as Officer Sean Roman in “Chicago P.D.” Geraghty is most known for his role as the bomb specialist in Kathryn Bigelow’s Oscar-winning film “The Hurt Locker.”Geraghty also appeared in the much-lauded drama “Flight,” opposite Denzel Washington. Geraghty joined the cast of “Boardwalk Empire” as Warren Knox, a rookie FBI agent and can currently be seen working alongside Liev Schreiber on the second season of “Ray Donovan.”