Stephen Harold Tobolowsky (born May 30, 1951) is an American character actor. He is known for film roles such as insurance agent Ned Ryerson in Groundhog Day and amnesiac Sammy Jankis in Memento, as well as such television characters as Commissioner Hugo Jarry in Deadwood, Bob Bishop in Heroes, Sandy Ryerson in Glee, Stu Beggs in Californication...