2024

as Self

2002

as Himself

1997

(1 episode) as Professor Roykirk

1994

as Priest

1993		Diagnosis: Murder (1 episode) as Art Amador / Martin Beckman
1993		Lois & Clark: The New Adventures of Superman (1 episode)

1991		Memories of MAS*H as Self / Father Mulcahy
1991		The New WKRP in Cincinnati (1 episode)

1987

1984

(1 episode) as Burton Hollis

1983

(31 episodes) as Father Mulcahy

1980

as Barton

1977

(1 episode) as Hal Wiliston (1 episode) as Elliot Weatherly (1 episode) as Carl Mitchell

1975

as Bank Teller

1974		Dinah! (1 episode) as Self
1974		Good Times (1 episode) as The Doctor

1972

(218 episodes) as Father Mulcahy

1971		Nichols (4 episodes) as Niles
1971		Columbo (1 episode) as Male Scientist
1971		Alias Smith and Jones (1 episode)

1968		With Six You Get Eggroll as Zip (Cloud)
1968		The Shakiest Gun in the West as Hotel Manager (uncredited)
1968		The Private Navy of Sgt. O'Farrell as Pvt. Jake Schultz

1967

as Doctor

1966		The Fortune Cookie as Interne (as Bill Christopher)
1966		That Girl (2 episodes)

1965

(1 episode) as Thomas (1 episode) as Foster (1 episode) as German Private (1 episode) as Lieutenant Donner

1964

(1 episode) as Lester Hummel (3 episodes)

1963

(1 episode)

1961

(1 episode) as Self

1960

(1 episode) as Dr. Thomas Peterson (1 episode) as Mr. Heathcote