Television actor known for his recurring role as Paul on the popular NBC series Cheers. He also appeared on episodes of Star Trek: Voyager, Malcolm in the Middle, Caroline in the City, and Boston Public.
Early in his career, he had a small role in a 1978 episode of Columbo.
He appeared in Office Space, a popular Mike Judge-directed comedy movie.
He grew up in southern Minnesota as the child of Lee and Doris Willson.
During the 1980s and early 1990s, he played the comedic role of Leonard Smith on It's Garry Shandling's Show.