William Petersen
71 years old
William Louis Petersen is an American actor and producer, best known for playing Dr. Gilbert "Gil" Grissom on the hit CBS series CSI: Crime Scene Investigation, Richard Chance in the film To Live a...
See Profile
The Departed (1986)
An undercover cop and a mole in the police attempt to identify each other while infiltrating an Irish gang in South Boston.
See Story
Join the Conversation
0 comments on William Petersen as Staff Sergeant Colin Sullivan in The Departed (1986)