Credits

• 1990 · Fall From Grace as Rev. Aubrey Sara
• 1988 · Split Decisions as Pop McGuinn
• 1987 · Star Trek: The Next Generation as Fento
• 1987 · Walk Like a Man as H.P. Truman
• 1987 · J. Edgar Hoover as A. Mitchell Palmer
• 1985 · Hell Town as Fast Louie
• 1984 · Murder, She Wrote as Harry Stevens
• 1984 · Highway to Heaven as Ted Simpson
• 1984 · Hunter as Dr. Harry Montclair
• 1984 · Voyager from the Unknown as Dr. Bernard
• 1983 · Dempsey as Hyrum Dempsey
• 1983 · The A-Team as George Nemchek
• 1982 · First Blood as Orval the Dog Man
• 1982 · T. J. Hooker as John P. Hooker / Father DeMarco
• 1982 · The Ambush Murders as Judge Collier
• 1981 · Bret Maverick as Doc Holliday
• 1981 · The End of August as Colonel
• 1981 · Mistress of Paradise as Nathan MacKay
• 1981 · The Five of Me as Father
• 1980 · Farewell to the Planet of the Apes as Gahto
• 1979 · Freedom Road as President Ulysses S. Grant
• 1979 · The Legend of the Golden Gun as Jake Powell
• 1979 · Shadow of Fear as Isaac
• 1979 · Shadow of Fear as
• 1978 · Dallas as Wally Kessel
• 1977 · The Return of the Incredible Hulk as Michael
• 1977 · The Incredible Hulk as Michael
• 1977 · Delta County, USA as Cap McCain
• 1976 · The Food of the Gods as Mr. Skinner
• 1976 · The Missouri Breaks as David Braxton
• 1975 · Lucky Lady as Rass Huggins
• 1975 · Bite the Bullet as Gebhardt
• 1975 · Matt Helm as Charlie Wendell
• 1975 · Starsky & Hutch as Lionel 'Gramps' Fitzgerald Sr
• 1975 · Attack on Terror: The FBI vs. the Ku Klux Klan as Jailer Sutton
• 1975 · Rafferty and the Gold Dust Twins as John Beechwood
• 1974 · The Dove as Lyle Graham
• 1973 · Sleeper as Dr. Agon
• 1973 · Legend in Granite as Dom Olejnickzak
• 1973 · The Iceman Cometh as Jimmy Tomorrow
• 1973 · Runaway! as Conductor
• 1973 · Showdown as F.J. Wilson
• 1973 · A Chant of Silence as Father Richards
• 1973 · Barnaby Jones as Dwight Hopkins
• 1972 · M*A*S*H as Col. Woody Cooke
• 1972 · Ghost Story as Titus Paul
• 1972 · The Culpepper Cattle Co. as Thorton Pierce
• 1971 · If Tomorrow Comes as Father Miller
• 1971 · Big Jake as Army Officer (uncredited)
• 1970 · Monte Walsh as Fightin' Joe Hooker
• 1970 · R.P.M. as Rev. Blauvelt
• 1970 · Halls of Anger as Boyd Wilkerson
• 1969 · The Reivers as Van Tosch
• 1968 · Riverrun as Jeffries
• 1968 · Gallegher: The Mystery of Edward Sims as Ephrem Killigrew
• 1968 · Madigan as Dunne (uncredited)
• 1967 · In Cold Blood as Herbert Clutter
• 1967 · Cool Hand Luke as Boss Keen
• 1967 · Ironside as Father Holt
• 1967 · Ironside as Trash
• 1967 · The Invaders as Hotel Clerk
• 1966 · Mission: Impossible as Dr. Wilson Cardel
• 1966 · Mission: Impossible as Anton Usakos
• 1966 · Daktari as Sean Murphy
• 1965 · The F.B.I. as David Callander
• 1965 · Get Smart as Seidlitz
• 1965 · Honey West as Gordon
• 1964 · My Fair Lady as Harry (uncredited)
• 1964 · 12 O'Clock High as Fisherman
• 1964 · 12 O'Clock High as Doker Drew
• 1963 · The Fugitive as Sheriff Grover
• 1963 · The Fugitive as Deputy Kelton
• 1963 · The Fugitive as Jeff
• 1963 · The Outer Limits as Arjay Beasley
• 1962 · The Virginian as Carl O'Neill
• 1962 · The Virginian as Eb Smalley
• 1962 · The Virginian as Parker
• 1961 · 87th Precinct as Menlo
• 1961 · Dead to the World as Goody
• 1960 · The Andy Griffith Show as Mr. MacDonald
• 1959 · The Untouchables as Driver
• 1959 · The Untouchables as Trucker
• 1959 · The Untouchables as Rick Landy
• 1959 · The Twilight Zone as Cop (uncredited)
• 1959 · The Twilight Zone as Man
• 1959 · The Twilight Zone as Guard
• 1959 · Bonanza as Harry Carlis
• 1957 · Decoy as Mike Foley
• 1957 · Perry Mason as Councilman William Daniels
• 1954 · The Wonderful World of Disney as Ephrem Killigrew