(1954) La Strada

as Il 'Matto'

(1979) Being There

as Vladimir Skrapinov

(1956) Moby Dick

as Ishmael

(1951) Decision Before Dawn

as Lt. Dick Rennick

(1949) He Walked by Night

as Roy Martin / Roy Morgan

(1977) The Island of Dr. Moreau

as Sayer of the Law

(1949) Tension

as Warren Quimby

(1949) Reign of Terror

as Maximilian Robespierre

(1965) The Satan Bug

as Dr. Gregor Hoffman

(1971) They've Killed President Lincoln!

as Host / Narrator

(1976) Mansion of the Doomed

as Dr. Leonard Chaney

(1951) The House on Telegraph Hill

as Alan Spender

(1955) The Swindle

as Picasso

(1947) Repeat Performance

as William Williams

(1958) The Brothers Karamazov

as Ivan Karamazov

(1947) Cry Wolf

as James Caldwell Demarest

(1953) Titanic

as George S. Headley

(1957) Time Limit

as Maj. Harry Cargill

(1954) The Good Die Young

as Joe Halsey

(1982) Knight Rider: Knight of the Phoenix

as Wilton Knight

(1960) Portrait in Black

as Howard Mason

(1951) Fixed Bayonets!

as Cpl. Denno

(1971) City Beneath the Sea

as The President

(1963) Kings of the Sun

as Ah Min

(2004) Los Angeles Plays Itself

as Roy Morgan/Roy Martin in He Walked By Night (archive footage)

(1976) 21 Hours at Munich

as Willy Brandt

(1951) Fourteen Hours

as Robert Cosick

(1950) Outside the Wall

as Larry Nelson

(1970) Sole Survivor

as Brig. Gen. Russell Hamner

(1955) Canyon Crossroads

as Larry Kendall

(2002) The Men Who Made the Movies: Samuel Fuller

as Cpl. Denno (archive footage) (uncredited)

(1956) Finger of Guilt

as Reginald 'Reggie' Wilson

(1957) Miracles of Thursday

as Martino

(1972) Rage

as Dr. Roy Caldwell

(1962) Hitler

as Adolf Hitler

(1975) Judgment: The Court Martial of Lt. William Calley

as George Latimer

(1978) The Great Bank Hoax

as Manny Benchly

(1961) The Savage Guns

as Steve Fallon

(1979) The Rebels

as Duke of Kentland

(1964) Four Days In November

as Narrator (voice)

(1977) Flood!

as John Cutler

(1955) Cartouche

as Il conte Jacques de Maudy

(1969) Hans Brinker

as Dr. Boeker

(1960) Visa to Canton

as Don Benton

(1973) The Birdmen

as Schiller

(1949) Roseanna McCoy

as Mounts Hatfield

(1956) The Extra Day

as Joe Blake

(1965) Let My People Go: The Story of Israel

as Narrator (voice)

(1980) Marilyn: The Untold Story

as Johnny Hyde

(1963) The Yanks Are Coming

as Narrator (voice)

(1971) The Death of Me Yet

as Robert Barnes

(1973) Maneater

as Carl Brenner

(1954) The Stranger's Hand

as Joe Hamstringer

(1959) Jons und Erdme

as Wittkuhn

(1970) The Andersonville Trial

as Henry Wirz

(1960) Five Branded Women

as Eric Reinhardt

(1954) Jailbirds

as Doctor Stefano Luprandi

(1969) Love Is a Funny Thing

as Acteur

(1979) Land of Celtic Ghosts

as Himself

(1985) Knight Rider: Halloween Knight

as Narrator

(1955) The Golden Vein

as Ing. Stefano Manfredi

(1958) Love and Troubles

as Paolo Martelli

(1976) Time Travelers

as Dr. Joshua Henderson (1871)

(1972) Assignment: Munich

as Maj. Barney Caldwell

(1959) The Ambitious One

as George Rancourt

(1973) ...And Millions Die!

as Dr Douglas Pruitt

(1960) For the Love of Mike

as Father Phelan

(1968) The Rise and Fall of the Third Reich

as Narrator

(1972) The Bounty Man

as Angus Keough

(1978) A Connecticut Yankee in King Arthur's Court

as King Arthur

(1972) Chato's Land

as Nye Buell

(1975) Valley Forge

as ---

(1964) Trial at Nuremberg

as Narrator

(1979) Planet Mars

as Narrator

(1977) Stonestreet: Who Killed the Centerfold Model?

as Elliott Osborn

(1982) Egypt: Quest for Eternity

as Narrator (Self)

(1982) Bix: Ain't None of Them Play Like Him Yet

as Self

(1971) Columbo

as Nicholas Framer

(1964) Voyage to the Bottom of the Sea

as Adm. Harriman Nelson

(1974) Little House on the Prairie

as ---

(1977) The Love Boat

as Stan Ellis

(1968) Hawaii Five-O

as Murdock

(1982) Knight Rider

as Wilton Knight

(1960) Route 66

as ---

(1979) Tales of the Unexpected

as Slade

(1958) Naked City

as Lester Bergson

(1963) Arrest and Trial

as ---

(1955) Gunsmoke

as Captain Aron Sligo

(1948) Studio One

as Matt Donovan

(1962) Combat!

as Capt. Steiner

(1951) Hallmark Hall of Fame

as Conway

(1959) Rawhide

as Tod Stone

(1978) Vega$

as ---

(1981) Mr. Merlin

as ---

(1961) Ben Casey

as ---

(1978) W.E.B.

as ---

(1956) Dick Powell's Zane Grey Theatre

as David Manning

(1975) Medical Story

as ---

(1975) Joe Forrester

as ---

(1959) The Twilight Zone

as Adam Cook

(1951) Hallmark Hall of Fame

as General Washington

(1965) National Geographic Specials

as Narrator (voice)

(1967) Ironside

as Noel Seymour

(1981) Masada

as Narrator

(1969) Marcus Welby, M.D.

as Professor Andrew Kirkcastle

(1978) The Critical List

as Matt Kinsella

(1962) The Alfred Hitchcock Hour

as Philip Townsend

(1962) The Alfred Hitchcock Hour

as Miles Crawford

(1977) How the West Was Won

as Colonel Flint

(1969) Marcus Welby, M.D.

as Reece Sutton

(1970) Dan August

as Prof. Theodore Rye

(1972) The Streets of San Francisco

as Bishop Tim Farrow