Steven Tobolowsky

Steven Tobolowsky is an American character actor, author, and musician. He has appeared in the films, Groundhog Day and Momento, as Ned Ryerson and Sammy Jankis, respectively. He was also in the TV series, Deadwood, Heroes, Glee, and Californication. He also voiced Dr. Martin Stein/Firestorm in the Justice League Action animated series.