This guy's first professional credit was Taber in One Flew Over the Cuckoo's Nest. In 1981, he re-teamed with Jack Nicholson, appearing as The Salesman in The Postman Always Rings Twice, the same year he played the evil Butch Cavendish in the box office bomb The Legend of the Lone Ranger. Identify this actor who came to fame for his run as the Reverend Jim Ignatowski on Taxi, a few years before playing a beloved eccentric fictional scientist.
Christopher Lloyd