Victor Fries / Mr. Freeze (voice)
Batman del futuro (1999)
Mr. Freeze (voice)
Las nuevas aventuras de Batman (1997)
Kang
Star Trek: Voyager (1995)
Elric
Babylon 5 (1994)
Star Trek: Espacio profundo nueve (1993)
Jeyal
Batman: La Serie Animada (1992)
Rambo, la fuerza de la libertad (1986)
Nicholas Rossi
Se ha escrito un crimen (1984)
General Mariano
Hunter (1984)
General Mariano (uncredited)
Sheik Abdullah Casir
Hardcastle and McCormick (1983)
Himself - Narrator (voice)
Reading Rainbow (1983)
Simon & Simon (1981)
Hiawatha Smith (voice)
Spider-man y sus Sorprendentes Amigos (1981)
Kane
Buck Rogers: El aventurero del espacio (1979)
Lame Beaver
Centennial (1978)
Vega$ (1978)
Nathan McCallister
CHiPs (1977)
The Swiss Family Robinson (1975)
Diamond Jack Bassiter
Barbary Coast (1975)
Joseph DiMinna
Los casos de Rockford (1974)
Vic Altmann
Chopper One (1974)
Keith McCallum
Kojak (1973)
Police Story (1973)
Albert 'Al' Ferguson
Las calles de San Francisco (1972)
Sammy Warren
McMillan y esposa (1971)
Ben Matthews
Mike Bolger
McCloud (1970)
Fletcher Rodenberry
The Bill Cosby Show (1969)
Wakando
Here Come the Brides (1968)
Ray Abruzzi
Patrulla juvenil (1968)
Lancer (1968)
Murtrah
Tierra de gigantes (1968)
Piro Manoa
Hawaii 5-0 (1968)
Ben Kaliman
The Name of the Game (1968)
Ernst Rolf
Cowboy in Africa (1967)
Alberto Ruiz
El gran Chaparral (1967)
Ed Stoner
Misión: imposible (1966)
The Girl from U.N.C.L.E. (1966)
Col. Hruda
El túnel del tiempo (1966)
Curator
Star Trek (1966)
Tarzan (1966)
Blue Djinn
Mi bella genio (1965)
King Kamehameha
Biff Jellico
The Ruler
Perdidos en el espacio (1965)
Thomas Frye
Branded (1965)
Sebastian Drake
Daniel Boone (1964)
Red Sky
Sulador
El agente de CIPOL (1964)
Rufus the Red
Embrujada (1964)
Capt. Tomas Ruiz
Viaje al fondo del mar (1964)
Malinoff
Morgan
Kraft Suspense Theatre (1963)
Big Bwana Smith
El agente Burke (1963)
Officer Miguel 'Mike' Anza
El fugitivo (1963)
Qarlo Clobregnny
Más allá del límite (1963)
Marshall Merle Frome
El virginiano (1962)
Paul Dallman
Self
The Mike Douglas Show (1961)
Ben Casey (1961)
Oresquote
The Westerner (1960)
Carl
The Barbara Stanwyck Show (1960)
Charlie Steuben
Los Intocables (1959)
Rafael Torrez
Docker Mason
The Rebel (1959)
Deputy U.S. Marshal Sam Buckhart
Law of the Plainsman (1959)
Alfredo Maldenado
Rawhide (1959)
Joseph
Don Miguel
Rafael Valente
Naked City (1958)
El hombre del rifle (1958)
Vince Kabat
Perry Mason (1957)
Chief North Star
Wagon Train (1957)
Adam MacKenzie
Ogana
Hawkeye and the Last of the Mohicans (1957)
Tales of the 77th Bengal Lancers (1956)
Fitzgerald
Dick Powell's Zane Grey Theatre (1956)
Cochise
Broken Arrow (1956)
Jeff Farnley
The 20th Century Fox Hour (1955)
Butcher
Alfred Hitchcock presenta (1955)
Dizar
Mr. DeMario
Grey Horse
Gunsmoke (1955)
Luke Todd
Narrator
The Wonderful World of Disney (1954)
Tioka
Rin Tin Tin (1954)
Terry and the Pirates (1952)
Arab servant
My Hero (1952)
Chevron Theatre (1952)
Dangerous Assignment (1952)
Carl Chapman
Dragnet (1951)
Galleus the Great
The Adventures of Boston Blackie (1951)
Walker
The Lone Ranger (1949)
Hawk Mason
Director