•
The Pearl (1947) •
The Vanishing Westerner (1950) as Deputy Sheriff Jeff Jackson •
A Life of Her Own (1950) as Hosiery Man (uncredited) •
The Magnificent Yankee (1950) as Reynolds, Secretary •
Grounds for Marriage (1951) as Tommy •
Storm Warning (1951) as Interne (uncredited) •
Payment on Demand (1951) as Jim Boland •
Cause for Alarm! (1951) as Lonesome Sailor •
Go for Broke! (1951) as Lieutenant (uncredited) •
No Questions Asked (1951) as Detective Walter O'Bannion •
Rich, Young and Pretty (1951) as Bob Lennart • ''
The People Against O'Hara'' (1951) as Jeff Chapman •
Across the Wide Missouri (1951) as Dick Richardson •
Forbidden Planet (1956) as Engineering Officer Quinn •
A Cry in the Night (1956) as Owen Clark •
The Search for Bridey Murphy (1956) as Dr. Deering •
Three Brave Men (1956) as Naval Lt. Bill Horton •
The Buster Keaton Story (1957) as Tom McAffee •
Paths of Glory (1957) as Major Saint-Auban •
Merry Andrew (1958) as Ugo (uncredited) •
The Long, Hot Summer (1958) as Alan Stewart •
Curse of the Faceless Man (1958) as Dr. Paul Mallon • Zorro Season 2 Episode 10 “The Practical Joker” (1958) as Ricardo Del Amo • Zorro Season 2 Episode 11 “The Flaming Arrow” (1958) as Ricardo Del Amo. • Zorro Season 2 Episode 12 “Zorro Fights a Duel” (1958) as Ricardo Del Amo • Zorro Season 2 Episode 13 “Amnesty for Zorro” (1959) as Ricardo Del Amo •
Compulsion (1959) as Max Steiner •
The Rifleman (1959) as Tom Birch •
The Gunfight at Dodge City (1959) as Dave Rudabaugh •
The Wackiest Ship in the Army (1960) as Lt. Dennis M. Foster •
The Rifleman (1960) as Lariat Jones • "
The Rifleman" (Dec. 1960) Episode "Miss Bertie" as a Gunslinger named, Duke Jennings •
Thriller (1960) as Oliver Judson (Season 1, Episode 7: "The Purple Room") •
The Rifleman (1961) Episode "Flowers by the Door" as Jason Gowdy •
Wanted Dead or Alive (1961) Episode “Epitaph” as the Sheriff • "
The Rifleman" (April 1962) Episode "Milly's Brother" as Harry Chase •
The Rifleman (1963) Season 5, Episode 21, "The Bullet" as Griff •
A Gathering of Eagles (1963) as Colonel Ralph Josten •
Johnny Cool (1963) as Correspondent •
Seven Days in May (1964) as Colonel Ben Murdock •
Combat! (1964) as Sergeant Perkins in the episode "A Silent Cry" on ABC •
The Alfred Hitchcock Hour ("Who Needs an Enemy?" [s02 e28]; 1964) as Eddie (Edward Turtin) •
Kitten with a Whip (1964) as Grant •
The Big Valley (1965) as Dr. Travers (Episode: Last Train to the Fair) •
Seconds (1966) as Dr. Innes •
The F.B.I. (1966) as Christian Palmer (Season 2, Episode 8: Collision Course) •
Perry Mason (1965–1966) as Lt. Steve Drumm (Season 9, 24 episodes) •
The Green Hornet (1966) as Phil Trager (Episode: Ace in the Hole) •
Mission: Impossible (1967) as judge in The Psychic • ''
The Ride to Hangman's Tree'' (1967) as Steven Carlson •
The Hardy Boys: The Mystery of the Chinese Junk (1967) as Fenton Hardy •
The Invaders (1967) as Blake (Season 2, Episode 5: The Enemy) • "
Wild, Wild West" (1968) as James Jeffers Ship Inspector (Season 3, Episode 17: The Night of the Headless Woman) •
Big Valley (1968) as Nathan Springer (Episode: Fall of a Hero) •
Land of the Giants (1969) as newspaper reporter Joe Simmons (Season 2, Episode 2: Six Hours to Live) •
Macho Callahan (1970) as Officer •
Gunsmoke (1970) as Gregorio (Episode: "The War Priest") •
Tora! Tora! Tora! (1970) as Navy Captain John B. Earle •
Columbo (1971) as murder victim Bryce Chadwick (Season 1, Episode 5: Lady in Waiting) • ''
Doctors' Wives'' (1971) as D.A. Douglas •
The Astronaut (1972) as Dr. Wylie •
The F.B.I. (1972) as Dan Wheaton (Season 8, Episode 4: The Franklin Papers) •
The Honkers (1972) as Royce Owens •
Play It as It Lays (1972) as Les Goodwin •
The Longest Night (1972) as Harry Eaton •
The Six Million Dollar Man (99 episodes; 1973–1978) as Oscar Goldman •
Hawaii Five-O (1973) as Goodman •
The F.B.I. (1973) as Paul Higgins (Season 9, Episode 1: The Big Job) •
The Night Strangler (1973) as Dr. Richard Malcolm •
Black Eye (1974) as Dole •
Gunsmoke (1974) as Maj. Aaron Coltraine •
The Bionic Woman (58 episodes; 1976–1978) as Oscar Goldman •
Never Give Up (1978) as US Green Beret Officer •
The Immigrants (1978) as Thomas Seldon •
Murder by Natural Causes (1979) as George Brubaker •
The French Atlantic Affair (1979) as Terrence Crown •
Condominium (1980) as Henry Churchbridge •
Darkroom (1981) as Bill Bellamy •
Kane & Abel (1985) as Alan Lloyd •
The Stepford Children (1987) as Lawrence Denton •
Hoover vs. The Kennedys (1987) as
Lyndon B. Johnson •
The Player (1992) as Himself •
Gettysburg (1993) as General
George G. Meade •
The Glass Shield (1995) as Watch Commander Clarence Massey •
The Blood Trail (2015) ==References==