Enrico Colantoni (born February 14, 1963) is a Canadian actor, best known for portraying Elliot DiMauro in the sitcom Just Shoot Me!, Keith Mars on the television series Veronica Mars, and Sergeant Greg Parker on the television series Flashpoint. He has also had supporting roles in such films as The Wrong Guy, Galaxy Quest, A.I. Artificial Intelligence, and Contagion, and guest appearances on Monk, Numb3rs, Party Down, Stargate SG-1 and Bones. More recently, he starred as Allen Conner in Remedy, and played crime boss Carl Elias in a recurring role on Person of Interest.