Credits

• 1996 · Street Gun as Man thrown off the roof
• 1994 · T-Force as Dr. Jonathan Gant
• 1994 · Bionic Ever After? as Dr. Rudy Wells
• 1989 · Bionic Showdown: The Six Million Dollar Man and the Bionic Woman as Dr. Rudy Wells
• 1987 · The Return of the Six-Million-Dollar Man and the Bionic Woman as Dr. Rudy Wells
• 1985 · The Execution as Martin Renner
• 1984 · Hunter as Mike Snow
• 1984 · Airwolf as Prof. Jennings Rudolph
• 1982 · Cagney & Lacey as
• 1980 · Farewell to the Planet of the Apes as Konag
• 1980 · Life, Liberty and Pursuit on the Planet of the Apes as Leander
• 1979 · Knots Landing as
• 1978 · Dallas as Edgar Randolph
• 1976 · Quincy, M.E. as
• 1976 · The Bionic Woman as Dr. Rudy Wells
• 1975 · Barbary Coast as
• 1974 · Planet of the Apes as
• 1974 · Harry O as
• 1974 · Murder Impossible as Norwalk
• 1974 · The Six Million Dollar Man as Dr. Rudy Wells
• 1972 · The Man as Wheeler's Lawyer
• 1971 · McMillan and Wife as Deputy D.A. Chapman
• 1971 · The Partners as
• 1971 · Cannon as Lewis R. Enders
• 1970 · Night Gallery as Doctor Armstrong (segment "The Last Laurel")
• 1970 · The Old Man Who Cried Wolf as Hudson F. Ewing
• 1970 · The Silent Force as Vernon
• 1970 · Colossus: The Forbin Project as Dr. Jefferson J. Johnson
• 1970 · McCloud as
• 1968 · The Mod Squad as Richard Clark
• 1967 · Judd for the Defense as
• 1966 · Mission: Impossible as Paul Trock
• 1965 · The F.B.I. as Richard Larken
• 1965 · The F.B.I. as Bobby Devries
• 1965 · The Loner as
• 1965 · The Wild Wild West as Franklin Poore
• 1963 · The Fugitive as Lieutenant Gould
• 1962 · Combat! as Corporal MacGowan
• 1960 · The Bat as Jack Bailey
• 1959 · New York Confidential as
• 1957 · Johnny Gunman as Johnny G
• 1957 · Decoy as Larry Babson
• 1955 · Gunsmoke as Young
• 1954 · Climax! as
• 1951 · Hallmark Hall of Fame as
• 1949 · Suspense as Harry Raymond
• 1949 · Suspense as Meros Leckow
• 1949 · Suspense as
• 1948 · Studio One as Peters
• 1948 · Studio One as Stephano
• 1948 · Studio One as Paul
• 1948 · The Philco Television Playhouse as