Jimmi Simpson (born November 21, 1975) is an American stage, film and television actor, best known for his recurring roles in television series, such as House of Cards, It's Always Sunny in Philadelphia, Psych, and Westworld.
DescriptionSouth Boston cop Billy Costigan goes under cover to infiltrate the organization of gangland chief Frank Costello. As Billy gains the mobster's trust, a career criminal named Colin Sullivan infiltrates the police department and reports on its activities to his syndicate bosses. When both organizations learn they have a mole in their midst, Billy and Colin must figure out each other's identities to save their own lives.
