Richard Basehart
- The Men Who Made the Movies: Samuel Fuller
2002 Cpl. Denno (archive footage) (uncredited)
- Save the Panda
1983 Narrator (Voice)
- Knight Rider: Knight of the Phoenix
1982 Wilton Knight
- Egypt: Quest for Eternity
1982 Narrator (Self)
- Knight Rider
1982 Wilton Knight
- Mr. Merlin
1981
- Masada
1981 Modern-Day Narrator (voice, uncredited)
- Marilyn: The Untold Story
1980 Johnny Hyde
- Being There
1979 Vladimir Skrapinov
- Land of Celtic Ghosts
1979 Himself
- Planet Mars
1979 Narrator
- Tales of the Unexpected
1979 Slade
- The Rebels
1979 Duke of Kentland
- The Great Bank Hoax
1978 Manny Benchly
- A Connecticut Yankee in King Arthur's Court
1978 King Arthur
- Vega$
1978
- W.E.B.
1978
- The Critical List
1978 Matt Kinsella
- The Island of Dr. Moreau
1977 Sayer of the Law
- Flood!
1977 John Cutler
- Stonestreet: Who Killed the Centerfold Model?
1977 Elliott Osborn
- The Love Boat
1977 Stan Ellis
- How the West Was Won
1977 Colonel Flint
- Mansion of the Doomed
1976 Dr. Leonard Chaney
- 21 Hours at Munich
1976 Willy Brandt
- Time Travelers
1976 Dr. Joshua Henderson (1871)
- Judgment: The Court Martial of Lt. William Calley
1975 George Latimer
- Valley Forge
1975 Gen. Washington
- Joe Forrester
1975
- Medical Story
1975 Dr. Charles Galpin
- The First Woman President
1974 Woodrow Wilson
- Little House on the Prairie
1974 Hannibal Applewood
- The Birdmen
1973 Schiller
- Maneater
1973 Carl Brenner
- ...and millions will die!
1973 Dr Douglas Pruitt
- Rage
1972 Dr. Roy Caldwell
- Assignment: Munich
1972 Maj. Barney Caldwell
- The Bounty Man
1972 Angus Keough
- Chato's Land
1972 Nye Buell
- The Streets of San Francisco
1972 Bishop Tim Farrow
- They've Killed President Lincoln!
1971 Host / Narrator
- City Beneath the Sea
1971 The President
- The Death of Me Yet
1971 Robert Barnes
- Columbo
1971 Nicholas Framer
- Sole Survivor
1970 Brig. Gen. Russell Hamner
- The Andersonville Trial
1970 Henry Wirz
- Dan August
1970 Prof. Theodore Rye
- Hans Brinker
1969 Dr. Boeker
- Love Is a Funny Thing
1969 Acteur
- Hawaii Five-O
1969 Murdock
- Marcus Welby, M.D.
1969 Professor Andrew Kirkcastle
- The Rise and Fall of the Third Reich
1968 Narrator
- Ironside
1967 Noel Seymour
- The Satan Bug
1965 Dr. Gregor Hoffman
- Let My People Go: The Story of Israel
1965 Narrator (voice)
- National Geographic Specials
1965 Narrator (voice)
- Four Days In November
1964 Narrator (voice)
- Trial at Nuremberg
1964 Narrator
- Voyage to the Bottom of the Sea
1964 Adm. Harriman Nelson
- Kings of the Sun
1963 Ah Min
- The Yanks Are Coming
1963 Narrator (voice)
- Arrest and Trial
1963
- Hitler
1962 Adolf Hitler
- Combat!
1962 Capt. Steiner
- The Alfred Hitchcock Hour
1962 Philip Townsend
- The Savage Guns
1961 Steve Fallon
- Ben Casey
1961
- Portrait in Black
1960 Howard Mason
- Visa to Canton
1960 Don Benton
- Five Branded Women
1960 Eric Reinhardt
- For the Love of Mike
1960 Father Phelan
- Playhouse 90: The Hiding Place
1960 Martin Lambert
- Route 66
1960
- Jons und Erdme
1959 Wittkuhn
- The Ambitious One
1959 George Rancourt
- Rawhide
1959 Tod Stone
- The Twilight Zone
1959 Adam Cook
- The Brothers Karamazov
1958 Ivan Karamazov
- Love and Troubles
1958 Paolo Martelli
- Naked City
1958 Lester Bergson
- Time Limit
1957 Maj. Harry Cargill
- Miracles of Thursday
1957 Martino
- So Soon to Die
1957 Lionel Amblin
- Moby Dick
1956 Ishmael
- The Intimate Stranger
1956 Reginald 'Reggie' Wilson
- The Extra Day
1956 Joe Blake
- Dick Powell's Zane Grey Theatre
1956 David Manning
- The Swindle
1955 Carlo
- Canyon Crossroads
1955 Larry Kendall
- Cartouche
1955 Il conte Jacques de Maudy
- The Golden Vein
1955 Ing. Stefano Manfredi
- Gunsmoke
1955 Captain Aron Sligo
- La Strada
1954 Matto
- The Good Die Young
1954 Joe Halsey
- The Stranger's Hand
1954 Joe Hamstringer
- Jailbirds
1954 Doctor Stefano Luprandi
- Titanic
1953 George S. Headley
- Decision Before Dawn
1951 Lt. Dick Rennick
- The House on Telegraph Hill
1951 Alan Spender
- Fixed Bayonets!
1951 Cpl. Denno
- Fourteen Hours
1951 Robert Cosick
- Hallmark Hall of Fame
1951 Conway
- Outside the Wall
1950 Larry Nelson
- He Walked by Night
1949 Roy Martin / Roy Morgan
- Tension
1949 Warren Quimby
- Reign of Terror
1949 Maximilian Robespierre
- Roseanna McCoy
1949 Mounts Hatfield
- Studio One
1948 Matt Donovan
- Repeat Performance
1947 William Williams
- Cry Wolf
1947 James Caldwell Demarest
