Menasor
The Transformers (1984)
Chairman
The Critical List (1978)
Neuvěřitelný Hulk (1977)
Loganův útěk (1977)
The All-New Super Friends Hour (1977)
The Hardy Boys / Nancy Drew Mysteries (1977)
Quincy, M.E. (1976)
Judge
Dr. Lassiter
Rich Man, Poor Man - Book II (1976)
(voice)
The Scooby-Doo/Dynomutt Hour (1976)
The Bionic Woman (1976)
Professor Eidleman
Wonder Woman (1975)
Dr. Dane Cranston
Switch (1975)
Kolchak: The Night Stalker (1974)
Dr. Evan Stuart (as Regis J. Cordic)
The Rockford Files (1974)
The Manhunter (1974)
Host
The Six Million Dollar Man (1974)
Space Explorer
Toma (1973)
Kung Fu (1972)
V ulicích San Francisca (1972)
The Waltons (1972)
Emergency! (1972)
The Sixth Sense (1972)
Ambassador Reynolds
Monty Nash (1971)
Tyler
Nichols (1971)
Lewis
Columbo (1971)
Deputy Commissioner
Cannon (1971)
Doctor (as Regis J. Cordic)
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)
The Outsider (1968)
Mannix (1967)
Ironside (1967)
The Monkees (1966)
Moltar (voice)
Space Ghost and Dino Boy (1966)
Daniel Austin
The F.B.I. (1965)
Get Smart (1965)
Reverend
Gunsmoke (1955)
Sheriff Crane
Marshal Halstead
Sheriff Grimes