Acting

1997

as Angry Purple Guy

1982

as Prince Thun (voice)

1980

as Narrator / Hulk (voice) (uncredited)

1979

as Frankenstone (voice)

1978		Goin' Coconuts as Mickey
1978		The Fantastic Four (13 episodes) as The Thing (voice)
1978		Challenge of the Super Friends (32 episodes)
1978		Jana of the Jungle (13 episodes)
1978		Godzilla (26 episodes) as Godzilla
1978		Dr. Strange as Demon Balzaroth (voice)
1978		The Flintstones: Little Big League as Officer (voice)

1977		The Return of the Incredible Hulk as Narrator / Hulk (voice)
1977		The Incredible Hulk (3 episodes) as Narrator (voice) (uncredited) (1 episode) as Narrator / Hulk (voice) (34 episodes) as Narrator / Hulk (voice) (uncredited)
1977		Halloween with the New Addams Family as Lurch
1977		Man from Atlantis (1 episode) as Canja
1977		The All-New Super Friends Hour (60 episodes)
1977		The Last Remake of Beau Geste as Blindman
1977		Benny & Barney: Las Vegas Undercover as Jake Tuttle
1977		The Great Balloon Race

1976		Harry and Walter Go to New York as Leary
1976		The Bionic Woman (1 episode)

1975		Poor Pretty Eddie as Keno
1975		The Intruder as Mr. Peterson

1974		Chico and the Man (1 episode)
1974		Planet Earth as Isiah
1974		The Six Million Dollar Man (2 episodes) as Bigfoot
1974		Thunder County as Renzo Gambini

1973		The Slams as Glover
1973		Super Friends (32 episodes) as Brainiac (voice) / Black Manta (voice)
1973		The Addams Family (16 episodes) as Lurch (voice)
1973		Genesis II as Isiah

1972		The Limit as Big Donnie
1972		Banacek (1 episode) as Jerry Crawford
1972		The New Scooby-Doo Movies (1 episode) as Lurch (voice)
1972		Catch the Black Sunshine as Striker

1969		Mackenna's Gold as Hachita
1969		Butch Cassidy and the Sundance Kid as Harvey Logan

1968

(20 episodes) as Injun Joe

1967		Super President (1 episode) as Spy Shadow (voice)
1967		Mannix (1 episode)
1967		The Herculoids (36 episodes)
1967		Birdman and the Galaxy Trio (60 episodes) as Meteor Man (voice)
1967		Shazzan (2 episodes)
1967		Ironside (1 episode) as Wrestler
1967		Jack and the Beanstalk as The Giant (voice)
1967		Mr. Terrific (1 episode) as Bojo

1966		Frankenstein, Jr. and The Impossibles (54 episodes)
1966		Space Ghost and Dino Boy (60 episodes) as Metallus / Tansut (voice)
1966		Star Trek (1 episode) as Gorn (voice) (1 episode) as Ruk (1 episode) as Balok's puppet (voice)
1966		Tarzan (1 episode)
1966		The Pruitts of Southampton (1 episode) as Maxie
1966		Batman (1 episode) as Lurch

1965		I Dream of Jeannie (1 episode) as Hamid (1 episode) as Habib
1965		Laredo (1 episode)
1965		Lost in Space (1 episode) as Slave

1964		Daniel Boone (1 episode) as Gentle Sam
1964		The Addams Family (64 episodes) as Lurch
1964		Shindig! (1 episode) as Self

1962

(1 episode)

1959

(1 episode) as Garth