Simon Oakland
- Tucker's Witch
1982
- Vega$
1978
- David Cassidy: Man Under Cover
1978 Sgt. Abrams
- Evening in Byzantium
1978 Walter Klein
- Young Joe, the Forgotten Kennedy
1977 Delaney
- Lou Grant
1977
- CHiPs
1977
- The Flying Misfits
1976 Brig. Gen. Thomas Moore
- Crackle of Death
1976 Tony Vincenzo
- Demon and the Mummy
1976 Tony Vincenzo
- Quincy, M.E.
1976
- Charlie's Angels
1976 Sergeant Cates
- Baa Baa Black Sheep
1976 Thomas Moore
- Please Call It Murder
1975 Mickey Costigan
- Switch
1975 Sam
- Ellery Queen
1975
- Kolchak: The Night Stalker
1974 Tony Vincenzo
- The Rockford Files
1974 Vern St. Cloud
- Emperor of the North
1973 Policeman
- The Night Strangler
1973 Tony Vincenzo
- Toma
1973 Lieutenant Spooner
- Happy Mother's Day, Love George
1973 Sheriff Roy
- Key West
1973 Gen. Tom Luker
- Kojak
1973 Tom Donnelly
- Police Story
1973
- The Starlost
1973 Dr. Asgard
- Toma
1973 Inspector Spooner
- Chato's Land
1972 Jubal Hooker
- The Night Stalker
1972 Tony Vincenzo
- The Hunting Party
1971 Matthew Gunn
- Scandalous John
1971 Barton Whittaker
- Crosscurrent
1971 Capt. E. J. Goodlad
- Young Dr. Kildare
1971 Attorney
- On a Clear Day You Can See Forever
1970 Dr. Conrad Fuller
- Hawaii Five-O
1969 Benny Kalua
- Medical Center
1969
- Bullitt
1968 Captain Sam Bennett
- Chubasco
1968 Laurindo
- Alexander The Great
1968 Attalos
- The Mod Squad
1968
- The Outsider
1968
- The Name of the Game
1968 Luis Fierro
- Tony Rome
1967 Rudy Kosterman
- Ironside
1967
- Cimarron Strip
1967
- Captain Nice
1967
- Good Morning World
1967 Harry Lewis
- The Sand Pebbles
1966 Stawski
- The Plainsman
1966 Chief Black Kettle
- Mission: Impossible
1966 Jack Wellman
- Felony Squad
1966
- Tarzan
1966
- The Satan Bug
1965 Tasserly
- The F.B.I.
1965 Nikos Kapralos
- Get Smart
1965 Cowboy
- The Big Valley
1965 Adam Howard
- The Wild Wild West
1965 Diamond Dave Desmond
- Ready for the People
1964 Murray Brock
- Daniel Boone
1964 Dull Knife
- Profiles in Courage
1964 Captain Bogart
- The Rogues
1964 Absalom MacBride
- Wall of Noise
1963 Johnny Papadakis
- The Raiders
1963 Sgt. Austin Tremaine
- Bob Hope Presents the Chrysler Theatre
1963 Frederic Sterne
- Mr. Novak
1963 Carl Green
- The Outer Limits
1963 Empyrian
- My Favorite Martian
1963 Lt. Murphy
- Third of a Man
1962 Doon
- Follow That Dream
1962 Nick
- Hemingway’s Adventures of a Young Man
1962 Joe Boulton
- Saints and Sinners
1962 Alberto Bianco
- Combat!
1962 Sgt. Tom Akers
- The Virginian
1962 Bob Coulter
- Stoney Burke
1962
- West Side Story
1961 Schrank
- Cain's Hundred
1961 Walter Hayes
- Bus Stop
1961
- Ben Casey
1961
- The New Breed
1961 Felix Pascal
- The Defenders
1961 District Attorney Gardella
- Psycho
1960 Fred Richman
- The Rise and Fall of Legs Diamond
1960 Lt. Moody
- Murder, Inc.
1960 William Tobin
- Who Was That Lady?
1960 Belka
- Route 66
1960
- Outlaws
1960
- Special for Women
1960 The Father
- The Twilight Zone
1959 De Cruz
- Rawhide
1959 Bolivar Jagger
- Men Into Space
1959
- Adventures in Paradise
1959 Martin Quirk
- The Alaskans
1959
- Black Saddle
1959 Grat Mowery
- The Detectives
1959
- Tightrope
1959
- Bonanza
1959 Frank Scott / Mel Barnes
- Deadline
1959 Lyons
- The Untouchables
1959 Russ Bogan
- I Want to Live!
1958 Edward S. 'Ed' Montgomery
- The Brothers Karamazov
1958 Mavrayek
- 77 Sunset Strip
1958
- Naked City
1958 Duke
- Bronco
1958
- Perry Mason
1957 Howard Walters
- Decoy
1957 Lieutenant
- Dick Powell's Zane Grey Theatre
1956 Corporal Townsend
- The Desperate Hours
1955 State Trooper (uncredited)
- Gunsmoke
1955 Enoch Mills
- General Electric Theater
1953 Director
- Red Light
1949 Hotel Desk Clerk (uncredited)
- Suspense
1949
