Acting
- 1979B. J. and the BearDr. Robert Astin2 ep.
- 1977The Amazing Howard HughesMcKenna2 ep.
- 1976Quincy, M.E.Robert Asten148 ep.
- 1976City of Angels1 ep.
- 1975SwitchLen Ekhardt1 ep.
- 1974Harry O1 ep.
- 1974Sons and DaughtersWalter Cramer9 ep.
- 1972Cool MillionFred Harrison1 ep.
- 1972The Rookies1 ep.
- 1971Alias Smith and Jones1 ep.
- 1970McCloudMr. Jessup1 ep.
- 1968The OutsiderTodd Elkins1 ep.
- 1967Ironside3 ep.
- 1967The InvadersJohn Finney2 ep.
- 1966Mission: ImpossibleButler2 ep.
- 1966Felony Squad4 ep.
- 1966Love on a Rooftop1 ep.
- 1966Blue Light1 ep.
- 1965The F.B.I.George Wicks5 ep.
- 1965Get SmartKendall2 ep.
- 1965Laredo1 ep.
- 1964Gomer Pyle, U.S.M.C.Lieutenant1 ep.
- 1959Not for Hire1 ep.
Guest appearances
- 1993Star Trek: The Next GenerationDr. Christopher1 ep.
- 1987AirwolfDr. Kinsington1 ep.
- 1987Murder, She WroteDr. Clint Strayhorn1 ep.
- 1980B. J. and the BearDr. Robert Astin2 ep.
- 1976City of Angels1 ep.
- 1976Harry O1 ep.
- 1976McCloudMr. Jessup1 ep.
- 1975SwitchLen Ekhardt1 ep.
- 1975The Rookies1 ep.
- 1974Cannon1 ep.
- 1974The Six Million Dollar ManFlight Director1 ep.
- 1966The F.B.I.Gary Burgess, George Wicks, Harvey Davis, Larry Simpson5 ep.
- 1973MannixBurns1 ep.
- 1972Cool MillionFred Harrison1 ep.
- 1969IronsideCongressman Lowery3 ep.
- 1971Alias Smith and Jones1 ep.
- 1971Night Gallery1st Policeman (segment "They're Tearing Down Tim Riley's Bar")1 ep.
- 1970Mission: ImpossibleButler, Pharmacist2 ep.
- 1969Get SmartKendall2 ep.
- 1966Felony Squad4 ep.
- 1968The OutsiderTodd Elkins1 ep.
- 1967The InvadersJohn Finney, Kant2 ep.
- 1967Love on a Rooftop1 ep.
- 1966Laredo1 ep.
- 1966Blue Light1 ep.
- 1965Gomer Pyle, U.S.M.C.Lieutenant1 ep.
- 1963Naked CityMr. Warstein1 ep.
- 1960Not for Hire1 ep.
- 1960Alfred Hitchcock PresentsJack Fletcher1 ep.
Also known as: John Ragin