Acting
- 1977The Amazing Howard HughesFloyd Odlum2 ep.
- 1977The Rhinemann ExchangeIndustrialist3 ep.
- 1977The Hardy Boys / Nancy Drew Mysteries1 ep.
- 1977RootsHarlan2 ep.
- 1976Charlie's AngelsMeeker1 ep.
- 1975Ellery QueenMarcus Halliday (uncredited)1 ep.
- 1975SwitchPaul Berryman1 ep.
- 1975The Invisible ManJack Pierson1 ep.
- 1974Harry OPeter MacNamara1 ep.
- 1974PetrocelliArnold MacIver1 ep.
- 1973KojakTyrone2 ep.
- 1966Dark ShadowsMatthew Morgan/Ben Stokes/Dr. Timothy Stokes988 ep.
- 1965The Wild Wild WestCortez2 ep.
- 1957SuspicionTurko1 ep.
- 1955Matinee Theater1 ep.
Guest appearances
- 1977The Hardy Boys / Nancy Drew Mysteries1 ep.
- 1977RootsHarlan2 ep.
- 1976Hawaii Five-ODoyle Weston1 ep.
- 1976Charlie's AngelsMeeker1 ep.
- 1976SwitchPaul Berryman1 ep.
- 1976ColumboClerk1 ep.
- 1976PetrocelliArnold MacIver1 ep.
- 1976Starsky & HutchGeorge Felton1 ep.
- 1975KojakMr. B, Tyrone2 ep.
- 1975Harry OPeter MacNamara1 ep.
- 1975The Invisible ManJack Pierson1 ep.
- 1975Ellery QueenMarcus Halliday (uncredited)1 ep.
- 1975The Rockford FilesCarl Birrell1 ep.
- 1967The Wild Wild WestCortez, Hannibal Egloff2 ep.
- 1966Hallmark Hall of FameMagini1 ep.
- 1958Matinee Theater1 ep.
- 1958SuspicionTurko1 ep.
- 1957Schlitz Playhouse of StarsProsser1 ep.
- 1956General Electric Theater1 ep.
Also known as: David Thayer Hersey