James Gregory
- Wait Till Your Mother Gets Home
1983 Dan Peters
- The Flight of Dragons
1982 Bryagh / Smrgol (voice)
- Goldie and the Boxer Go to Hollywood
1981 Leo Hackett
- The Comeback Kid
1980 Scotty
- Gridlock
1980 Gen. Caribou Caruthers
- The Main Event
1979 Gough
- Detective School
1979
- Supertrain
1979 Griswald
- Flying High
1978
- The Bastard
1978 Will Campbell
- The Love Boat
1977 Milton Benson
- Off the Wall
1977 Producer
- Francis Gary Powers: The True Story of the U-2 Spy Incident
1976 James Donovan
- Quincy, M.E.
1976
- All's Fair
1976
- The Strongest Man in the World
1975 Chief Blair
- The Abduction of Saint Anne
1975 Pete Haggerty
- Barney Miller
1975 Inspector Frank Luger
- Kolchak: The Night Stalker
1974 Captain Quill
- Miracle on 34th Street
1973 District Attorney
- Police Story
1973
- The Weekend Nun
1972 Sid Richardson
- A Very Missing Person
1972 Oscar Piper
- The Marshal of Madrid
1972 Oil Tycoon
- M*A*S*H
1972 General Kelly
- Sanford and Son
1972
- Emergency!
1972 Brackett's Father
- Search
1972
- Temperatures Rising
1972 James Jerome
- Shoot Out
1971 Sam Foley
- The Late Liz
1971 Sam Burns
- The Million Dollar Duck
1971 Rutledge
- All in the Family
1971 William R. Kirkwood
- Cannon
1971
- Columbo
1971 David Buckner
- Beneath the Planet of the Apes
1970 Ursus
- The Hawaiians
1970 Dr. Whipple Sr. (uncredited)
- Night Gallery
1970
- McCloud
1970
- The Headmaster
1970
- The Partridge Family
1970 Claude Tubbles
- The Love God?
1969 Darrell Evans Hughes
- Hawaii Five-O
1969 Jonathan Kaye
- Medical Center
1969 Col. Whittendale
- The Secret War of Harry Frigg
1968 Gen. Homer Prentiss
- Cocoon
1968 Jonathan Kaye
- The Mod Squad
1968
- The Outcasts
1968
- Lancer
1968
- Premiere
1968
- The Outsider
1968
- The Ambushers
1967 MacDonald
- The Hunted
1967 Buckman
- Clambake
1967 Duster Heyward
- Ironside
1967 Herb Jarman
- Cimarron Strip
1967
- The High Chaparral
1967 Jake Stoner
- The Silencers
1966 MacDonald
- Murderers' Row
1966 MacDonald
- Star Trek
1966 Dr. Tristan Adams
- That Girl
1966
- Tarzan
1966
- The Sons of Katie Elder
1965 Morgan Hastings
- A Rage to Live
1965 Dr. O'Brien
- Quick, Before It Melts
1965 Vice Admiral
- F Troop
1965
- The F.B.I.
1965 Bert Anslem
- The Big Valley
1965 Simon Carter
- The Loner
1965
- Hogan's Heroes
1965 General Biedenbender
- A Distant Trumpet
1964 Maj. Gen. Alexander Upton Quaint
- Daniel Boone
1964 Captain Asa Webb
- Captain Newman, M.D.
1963 Col. Edgar Pyser
- PT 109
1963 Commander C.R. Ritchie
- Twilight of Honor
1963 Norris Bixby
- Kraft Suspense Theatre
1963 Lieutenant Wade
- The Fugitive
1963 Pete Crandall
- The Lieutenant
1963
- The Manchurian Candidate
1962 Sen. John Yerkes Iselin
- Two Weeks in Another Town
1962 Brad Byrd
- Sam Benedict
1962
- The Virginian
1962 Slim Jessup
- The Alfred Hitchcock Hour
1962 Fred Kruger
- X-15
1961 Tom Deparma
- Ben Casey
1961
- The New Breed
1961 Father Al
- The Defenders
1961 Paul Tasso
- The Snows of Kilimanjaro
1960 Editor
- Journey to the Day
1960 Endicott
- My Three Sons
1960
- Thriller
1960 Howard Yates
- Al Capone
1959 Schaefler (narrator)
- Hey Boy! Hey Girl!
1959 Father Burton
- The Twilight Zone
1959 Confederate Sergeant
- The Lawless Years
1959 Barney Ruditsky
- Rawhide
1959 Owen Spencer
- Laramie
1959
- The DuPont Show with June Allyson
1959 John Kramer
- Bonanza
1959 Mulvaney
- A Town Has Turned to Dust
1958 Hennify
- Underwater Warrior
1958 Lt. William Arnold
- Onionhead
1958 Lt. Cmdr. Fox aka The Skipper
- Westinghouse Desilu Playhouse
1958 Martin Burke
- The Big Caper
1957 Flood
- The Young Stranger
1957 Sergeant Shipley
- Gun Glory
1957 Grimsell
- Nightfall
1956 Ben Fraser
- The Scarlet Hour
1956 Ralph Nevins
- Gunsmoke
1955 Scanlon, Sr.
- Alfred Hitchcock Presents
1955 Mr. Wescott
- Playwrights '56
1955
- At This Moment
1954 Bill Ritter
- Climax!
1954 Joe McCarthy
- Inner Sanctum
1954
- General Electric Theater
1953 Sandy Green
- Letter to Loretta
1953 Jim Patton
- The Frogmen
1951 Chief Petty Officer Lane
- Schlitz Playhouse of Stars
1951 Morgan
- Lux Video Theatre
1950 Mac
- Danger
1950
- Suspense
1949
- The Naked City
1948 Patrolman Albert Hicks (uncredited)
- The Things People Want
1948 Pete
- Studio One
1948 Gas Man
- Kraft Television Theatre
1947 Steve
