Credits
- 1993 · Walker, Texas Ranger as Milo Crane
- 1986 · Sledge Hammer! as
- 1984 · Hunter as Major Cody
- 1983 · Scarecrow and Mrs. King as
- 1980 · The Return of Frank Cannon as William Barrett
- 1980 · Where the Ladies Go as Mullen
- 1978 · The Amazing Spider-Man as
- 1978 · Dallas as Jeremy Wendell
- 1978 · Deathsport as Doctor Karl
- 1977 · Lucan as
- 1976 · Quincy, M.E. as
- 1974 · The Manhunter as
- 1974 · The Six Million Dollar Man as General Koslenko
- 1973 · Papillon as Warden Barrot
- 1973 · Scorpio as Mitchell
- 1973 · Hawkins as Sam Drummond
- 1973 · Call to Danger as (uncredited)
- 1972 · Trouble Man as Captain Joe Marx
- 1972 · The Streets of San Francisco as Dr. Norman Jessup
- 1972 · The Rookies as
- 1971 · Owen Marshall: Counselor at Law as Mark Wade
- 1971 · Cannon as
- 1971 · The Neon Ceiling as Doctor Miller
- 1970 · The Brotherhood of the Bell as Dr. Jerry Fielder
- 1969 · The Monk as Leo Barnes
- 1969 · Marcus Welby, M.D. as George Howe
- 1968 · The Mod Squad as
- 1968 · The Mod Squad as Lew Dickens
- 1968 · Hawaii Five-O as Dr. Warren Parker
- 1968 · The Name of the Game as Dave Martin
- 1968 · Mission: Impossible as Victor Tomar
- 1968 · Mission: Impossible as Frank Egan
- 1968 · It Takes a Thief as Mr. Aiken
- 1967 · Mannix as Salvatore Pucci
- 1967 · Judd for the Defense as
- 1967 · Ironside as
- 1967 · Ironside as Frank Rich
- 1967 · The Invaders as Nat Greely
- 1967 · The Invaders as Adam Lane
- 1966 · Jericho as
- 1966 · Felony Squad as
- 1966 · Shane as Del Packard
- 1966 · Star Trek as Captain R.M. Merik
- 1966 · Tarzan as
- 1965 · Eagle in a Cage as Gourgaud
- 1965 · The F.B.I. as Joseph Kearney
- 1965 · The F.B.I. as Clay Keller
- 1965 · The F.B.I. as Frank William Stocker
- 1965 · The F.B.I. as John Debecker
- 1964 · The Parisienne and the Prudes as Henry
- 1962 · Combat! as Lt. Markes
- 1961 · The Defenders as District Attorney Koch
- 1956 · Attack as Harry Woodruff
- 1954 · The Shadow as Alex Bromm
- 1952 · Omnibus as Lt. Gen. A.P. Hill
- 1951 · Hallmark Hall of Fame as
- 1951 · Hallmark Hall of Fame as Gourgaud
- 1948 · Studio One as Tom
- 1948 · Studio One as Bernie Linton
- 1948 · Studio One as Linus Hobbs
- 1948 · Studio One as Lieutenant Bill Meade
- 1948 · The Philco Television Playhouse as