Acting

2016

as Don Cluff

1992

as Emperor Penguin

1989

as Courtroom Spectator (uncredited)

1987

(1 episode) as Alien

1986

as Little Critter

1984		The Dungeonmaster as Desert Bandit (segment "Desert Pursuit") (as Felix Cilla)
1984		Meatballs: Part II as Meathead

1983		Return of the Jedi as Ewok
1983		The Sting II as Ringside man taking bets (uncredited)

1981

as Hotel Rainbow Guest

1979		Buck Rogers in the 25th Century (37 episodes) as Twiki
1979		The Brood as Creature
1979		Buck Rogers in the 25th Century as Twiki
1979		The Dukes of Hazzard (1 episode) as The Visitor

1978		Battlestar Galactica (7 episodes) as Lucifer
1978		The Manitou as Misquamacus

1977		Halloween with the New Addams Family as Cousin Itt
1977		The Kentucky Fried Movie as Crazed Clown (segment "Catholic High School Girls in Trouble")
1977		Demon Seed as Baby

1976

as Rheinhardt

1975

as Litvak

1973		Lily
1973		Don't Be Afraid of the Dark as Creature
1973		Sssssss as Sam Lee, the Seal Boy
1973		Little Cigars as Frankie

1971

(17 episodes) as Colonel Poom

1970

as Polkadotted Horse

1969		H.R. Pufnstuf (17 episodes) as Polkadotted Horse
1969		Mastermind as Schatzi
1969		The April Fools as Waiter at Safari Club (uncredited)

1968

as Child Gorilla (uncredited)

1967		Point Blank as Bellhop (uncredited)
1967		She Freak as Shorty

1966		The Girl from U.N.C.L.E. (1 episode) as Circus performer
1966		The Monkees (1 episode)
1966		Star Trek (1 episode) as Talosian (uncredited)

1964		The Addams Family (17 episodes) as Cousin Itt
1964		Bewitched (1 episode) as Goblin (1 episode)

1963		Petticoat Junction (1 episode) as Baron Munchin
1963		What Really Happened to Baby Jane