1998		Mad About You 1 episode as Chaplain Olson
1998		Team Knight Rider 1 episode as Professor Roykirk
1998		Diagnosis: Murder 1 episode as Art Amador / Martin Beckman

1997

1 episode

1993

1 episode

1990

1 episode as Harvey Allen

1985

1 episode as Burton Hollis

1984

1 episode as Hal Wiliston

1983		The Love Boat 1 episode as Elliot Weatherly
1983		AfterMASH 31 episodes as Father Mulcahy

1981

1 episode as Carl Mitchell

1976

2 episodes as Self

1975		Dinah! 1 episode as Self
1975		Good Times 1 episode as The Doctor

1974

1 episode as Male Scientist

1972

218 episodes as Father Mulcahy

1971		Nichols 4 episodes as Niles
1971		Alias Smith and Jones 1 episode

1969

2 episodes

1968		Gomer Pyle, U.S.M.C. 1 episode as Lester Hummel (uncredited)
1968		Hogan's Heroes 1 episode as Thomas

1967

1 episode as Pvt. Lester Hummel 5 episodes as Lester Hummel

1966		The Andy Griffith Show 1 episode as Dr. Thomas Peterson
1966		Hogan's Heroes 1 episode as Foster 1 episode as German Private
1966		The Patty Duke Show 1 episode

1965		The Andy Griffith Show 1 episode as Mr. Heathcote
1965		Hogan's Heroes 1 episode as Lieutenant Donner
1965		Gomer Pyle, U.S.M.C. 3 episodes