| Title | Year | Status | Character |
|---|
| Crash | 2008 | TV Series | Doctor's Father |
| The Far Side of Jericho | 2006 | | Charlie |
| Birthday | 2006 | Short | Old Man |
| Primary Target | 1990 | | Phil Karlson |
| Hardball | 1989 | TV Series | |
| Murder, She Wrote | 1985 | TV Series | Henderson Wheatley |
| Robert Kennedy and His Times | 1985 | TV Mini-Series | Senator |
| Airwolf | 1984 | TV Series | Dr. Karl Krüger |
| Final Mission | 1984 | | Colonel Joshua Cain |
| Fantasy Island | 1978-1984 | TV Series | Hawkins / Gene Collins / Ellis Lathrop / ... |
| Automan | 1984 | TV Series | Woodrow 'Woody' Oster |
| The A-Team | 1983 | TV Series | Calvin Cutter |
| Knight Rider | 1983 | TV Series | Phillip Royce |
| CHiPs | 1978-1983 | TV Series | Captain Burke / Bob Patterson |
| One Day at a Time | 1982 | TV Series | Clint Wilkens |
| Nero Wolfe | 1981 | TV Series | Arthur Poor |
| Walt Disney's Wonderful World of Color | 1974-1980 | TV Series | George Ross / Morris Melborne |
| The Ghosts of Buxley Hall | 1980 | TV Movie | George Ross |
| Alien Zone | 1978 | | Talmudge |
| Vega$ | 1978 | TV Series | Mr. Smith |
| The Hardy Boys/Nancy Drew Mysteries | 1977 | TV Series | Captain Rogers |
| Police Woman | 1977 | TV Series | Bert Travis |
| Crash! | 1976 | | Dr. Gregg Martin |
| Hustler Squad | 1976 | | Maj. Stony Stonewall |
| S.W.A.T. | 1975 | TV Series | Capt. Brenner |
| Barbary Coast | 1975 | TV Series | McCord |
| Kumander agimat | 1975 | | |
| Police Story | 1974-1975 | TV Series | Investigator Rick Logan / Lieutenant Charlie Parks |
| The Streets of San Francisco | 1974 | TV Series | Shelby |
| Doc Elliot | 1974 | TV Series | Raymond Boardlow |
| The Wide World of Mystery | 1974 | TV Series | Murray |
| Hawkins | 1974 | TV Series | Frank Pearson |
| Hog Wild | 1974 | TV Movie | Morris Melborne |
| Tenafly | 1973 | TV Series | Ken Shepherd |
| The F.B.I. | 1968-1973 | TV Series | Craig Walden / Sgt. Paul Devlin |
| Assignment: Vienna | 1972 | TV Series | |
| The Bounty Man | 1972 | TV Movie | Billy Riddle |
| Longstreet | 1971 | TV Series | Frank Glendon |
| Medical Center | 1969-1971 | TV Series | Steve Crowley / Pete Duncan |
| Bedknobs and Broomsticks | 1971 | | Col. Heller |
| The Virginian | 1971 | TV Series | Jack Bonham |
| Marcus Welby, M.D. | 1970 | TV Series | Peter Barton |
| Ironside | 1970 | TV Series | Fred |
| Heads or Tails | 1969 | | Will Hunter |
| Gunsmoke | 1969 | TV Series | Blaine Copperton |
| The Bamboo Saucer | 1968 | | Fred Norwood |
| Death Valley Days | 1968 | TV Series | Axel Kaline |
| The Destructors | 1968 | | Dutch Holland |
| The Money Jungle | 1967 | | Blake Heller |
| Los 7 de Pancho Villa | 1967 | | Don Diego Alvarado / Diego Owens |
| The Invaders | 1967 | TV Series | Cmdr. Hardy Smith |
| Bonanza | 1960-1967 | TV Series | Wade Hollister / Vince Dagen |
| Honey West | 1965-1966 | TV Series | Sam Bolt |
| Operation Atlantis | 1965 | | George Steele |
| Vacation Playhouse | 1965 | TV Series | |
| Burke's Law | 1963-1965 | TV Series | Sam Bolt / Frank Jorek / Gil Harris |
| Profiles in Courage | 1965 | TV Series | Calvin Pilleo |
| The Fugitive | 1965 | TV Series | Lars |
| 7 Faces of Dr. Lao | 1964 | | Ed Cunningham / Transformed Pan |
| General Hospital | 1963 | TV Series | Eric Ingstrom (1987) |
| Slave Queen of Babylon | 1963 | | Kir |
| The Dick Powell Theatre | 1962 | TV Series | Fitz |
| Kraft Mystery Theater | 1961-1962 | TV Series | Dick |
| Target: The Corruptors | 1962 | TV Series | Grauer |
| Route 66 | 1962 | TV Series | David Job |
| Monte Carlo | 1961 | TV Movie | |
| Rawhide | 1959-1961 | TV Series | Dan Fletcher / Tom Bryan |
| The United States Steel Hour | 1961 | TV Series | |
| The Chevy Mystery Show | 1960 | TV Series | Ray |
| Under Ten Flags | 1960 | | Krüger |
| The Loretta Young Show | 1956-1960 | TV Series | Carl Stanton / Roy Hendricks / Will Hadley |
| Pretty Boy Floyd | 1960 | | Charles Arthur 'Pretty Boy' Floyd |
| Adventures in Paradise | 1959 | TV Series | Jeff Hazen |
| The David Niven Show | 1959 | TV Series | Twist Thompson |
| The Restless Gun | 1958-1959 | TV Series | Bud Rainey / Henry Wilson |
| Zane Grey Theater | 1956-1959 | TV Series | Andy McCall / Linc Hardaway / Lane Baker / ... |
| Wagon Train | 1958 | TV Series | Dick Richardson |
| Shirley Temple's Storybook | 1958 | TV Series | Brom Bones |
| Playhouse 90 | 1956-1958 | TV Series | Leo West / Johnny Hanneman |
| Day of the Badman | 1958 | | Sheriff Barney Wiley |
| The Millionaire | 1958 | TV Series | Sgt. Peter Bartley |
| Schlitz Playhouse | 1956-1958 | TV Series | Paul / Eddie Markham / Gunner's Mate Eddie Younger |
| Oregon Passage | 1957 | | Lt. Niles Ord |
| Climax! | 1956-1957 | TV Series | Cameron Lacey / Lindy Jackson / William Herrick |
| Forty Guns | 1957 | | Brockie Drummond |
| Cavalcade of America | 1955-1957 | TV Series | Leon Patterson |
| General Electric Theater | 1955-1957 | TV Series | Wonder Boy Nick / Red |
| The Cruel Tower | 1956 | | Tom Kittredge |
| Kraft Theatre | 1951-1956 | TV Series | |
| Chevron Hall of Stars | 1956 | TV Series | Salem Abercromby |
| Appointment with Adventure | 1956 | TV Series | the Captain |
| Star Stage | 1955 | TV Series | Rick |
| The Return of Jack Slade | 1955 | | Jack Slade, Jr. |
| Bad Day at Black Rock | 1955 | | Pete Wirth |
| Green Fire | 1954 | | Donald Knowland |
| The Student Prince | 1954 | | Count Von Asterburg |
| Rhapsody | 1954 | | James Guest |
| It's a Big Country: An American Anthology | 1951 | | Naval Ensign (uncredited) |
| Out There | 1951 | TV Series | |
| Teresa | 1951 | | Philip Cass |
| The Philco-Goodyear Television Playhouse | 1951 | TV Series | |
| Lux Video Theatre | 1950 | TV Series | Mike |
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