Peter Facinelli (pronounced FAH-chin-elly; born November 26, 1973) is an American actor. He became known as the star of Fox's 2002 television series Fastlane. He plays Dr. Carlisle Cullen in the film adaptations of the Twilight series. He is also well known for his role as Mike Dexter in the film Can't Hardly Wait. He is currently a regular on the television series Nurse Jackie portraying the role of Dr. Fitch "Coop" Cooper.