Enrico Colantoni (born February 14, 1963) is a Canadian actor and director, best known for portraying Elliot DiMauro in the sitcom Just Shoot Me!, Keith Mars on the television series Veronica Mars, Louis Lutz on the short-lived sitcom Hope & Gloria, crime lord Carl Elias on Person of Interest, 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, Contagion, and A Beautiful Day in the Neighborhood, and guest appearances on Monk, Numb3rs, Party Down, Stargate SG-1, and Bones. More recently, he starred as Allen Conner in Remedy. He played Laura Hollis's father in season three of the online web series Carmilla. He most recently appeared as Whitman, a pharmaceuticals rep in HBO's Westworld.