Acting

2000

2 episodes as Era (voice)

1998		The Angry Beavers 1 episode
1998		Toonsylvania 21 episodes

1997		Channel Umptee-3 13 episodes as Stickley Rickets (voice)
1997		Spider-Man 2 episodes as Miles Warren / The Professor (voice)
1997		Superman: The Animated Series 1 episode as Julian Frey (voice)

1996

6 episodes as Professor Jones (voice)

1993

13 episodes as (voice)

1992

1 episode as Phineas Sharp (voice)

1990

13 episodes

1987

13 episodes

1979

1 episode

1978		Battlestar Galactica 6 episodes as Lucifer (voice) 1 episode as Lucifer 1 episode as Lucifer (voice) (uncredited)
1978		Vega$ 1 episode

1977

15 episodes

1976		Monster Squad 1 episode as The Astrologer
1976		Ark II 1 episode as Fagon

1973		My Favorite Martians 16 episodes as Uncle Martin (voice)
1973		Sanford and Son 1 episode

1971		Love, American Style 1 episode as Hollister
1971		Funny Face 1 episode
1971		Night Gallery 1 episode as Prof. Nicholas Porteus

1970		Love, American Style 1 episode as Mr. Benjamin
1970		Get Smart 1 episode
1970		Land of the Giants 1 episode as Mr. Piper

1969

1 episode

1968		Bewitched 2 episodes
1968		The Three Musketeers 18 episodes as Athos
1968		The Three Musketeers 19 episodes

1965		Lost in Space 83 episodes as Dr. Zachary Smith
1965		The Rogues 1 episode as Paul Duval

1964

1 episode as Farnsworth

1963		Bonanza 1 episode as Charles Dickens
1963		The Bill Dana Show 42 episodes

1961		The Twilight Zone 1 episode as George Alfred 1 episode as Doctor
1961		Outlaws 1 episode
1961		General Electric Theater 1 episode as Trapollini

1960

1 episode as Fouresh

1959		The Third Man 77 episodes
1959		Zorro 3 episodes

1958		General Electric Theater 1 episode as Favier 1 episode as Hong Kong Sam
1958		Climax! 1 episode as Fritz Weiser
1958		Schlitz Playhouse of Stars 1 episode as Popeau
1958		Telephone Time 1 episode
1958		Shirley Temple's Storybook 1 episode as Lord Karsch

1957

1 episode as Master of Ceremonies

1956		Studio One 1 episode as Dr. Wetheril 1 episode as Mr. Dickinson
1956		Omnibus 1 episode as Matey

1955

1 episode as Courcelles

1954

1 episode as Exton

1952		Omnibus 3 episodes
1952		Hallmark Hall of Fame 1 episode as Legendre

1950

2 episodes