Date of Birth : Feb 21st 1953
American actor and producer, best known for playing Dr. Gilbert “Gil” Grissom on the hit CBS series CSI: Crime Scene Investigation.
He has also portrayed President John F Kennedy in the 1998 TV film The Rat Pack. Petersen is notoriously selective about the film roles he chooses, and has turned down roles in several films that went on to become modern classics.
Petersen married longtime girlfriend Gina Cirone in June 2003. He has a daughter, Maite, from his previous marriage. (Maite gave birth to his grandson, Mazrik William, in October 2003.) Petersen is an avid Chicago Cubs fan, and will drop by Wrigley Field at least once a year to sing “Take Me Out to the Ballgame” during the seventh-inning stretch. In 2004, Petersen described to Playboy Magazine a near-death experience he had in the 1980s, which gave him assurance that there is an afterlife