Menasor
Transformers G1 (1984)
Chairman
The Critical List (1978)
El increíble Hulk (1977)
La fuga de Logan (1977)
La nueva hora de los Súper Amigos (1977)
The Hardy Boys / Nancy Drew Mysteries (1977)
Quincy, M.E. (1976)
Judge
Dr. Lassiter
Hombre rico, hombre pobre II (1976)
(voice)
The Scooby-Doo/Dynomutt Hour (1976)
La mujer biónica (1976)
Professor Eidleman
La mujer maravilla (1975)
Dr. Dane Cranston
Switch (1975)
Kolchak: The Night Stalker (1974)
Dr. Evan Stuart (as Regis J. Cordic)
Los casos de Rockford (1974)
The Manhunter (1974)
Host
El hombre de los seis millones de dólares (1974)
Space Explorer
Toma (1973)
Kung Fu (1972)
Las calles de San Francisco (1972)
The Waltons (1972)
Emergency! (1972)
The Sixth Sense (1972)
Ambassador Reynolds
Monty Nash (1971)
Tyler
Nichols (1971)
Lewis
Colombo (1971)
Deputy Commissioner
Cannon (1971)
Doctor (as Regis J. Cordic)
Galería nocturna (Night Gallery) (1970)
Famous Classic Tales (1970)
Marc Williams (as Regis J. Cordic)
The Mary Tyler Moore Show (1970)
McCloud (1970)
Medical Center (1969)
Chairman Walt
The Name of the Game (1968)
El astuto (1968)
Mannix (1967)
Ironside (1967)
The Monkees (1966)
Moltar (voice)
Fantasma del Espacio (1966)
Daniel Austin
The F.B.I. (1965)
El Superagente 86 (1965)
Reverend
Gunsmoke (1955)
Sheriff Crane
Marshal Halstead
Sheriff Grimes