| Movie | 1967 | Reflections in a Golden Eye | Lt. Col. Morris Langdon | |
| Movie | 1966 | Nevada Smith | Jonas Cord | |
| Movie | 1995 | Picture Windows: Lightning | Tappan | |
| Movie | 1965 | The Hallelujah Trail | Frank Wallingham | |
| Movie | 1966 | The Russians Are Coming! The Russians Are Coming! | Police Chief Link Mattocks | |
| Movie | 1988 | Young Guns | Buckshot Roberts | |
| Movie | 1956 | Nightfall | John | |
| Movie | 1979 | Meteor | Dr. Dubov | |
| Movie | 1957 | Run of the Arrow | Captain Clark | |
| Movie | 1974 | The Yakuza | George Tanner | |
| Movie | 1981 | Sharky's Machine | Papa | |
| Movie | 1964 | Those Calloways | Cam Calloway | |
| Movie | 1975 | The Wind and the Lion | Theodore Roosevelt | |
| Movie | 1959 | The Young Philadelphians | Mike Flanagan | |
| Movie | 1955 | The Violent Men | Cole Wilkison | |
| Movie | 1953 | Arrowhead | Capt. Bill North | |
| Movie | 1957 | Appointment with a Shadow | Lt. Spencer | |
| Movie | 1987 | Death Before Dishonor | Col. Halloran | |
| Movie | 1955 | 5 Against the House | Brick | |
| Movie | 1956 | Storm Center | Paul Duncan | |
| Movie | 1978 | Hooper | Jocko Doyle | |
| Movie | 1970 | The McKenzie Break | Captain Jack Connor | |
| Movie | 1966 | The Rare Breed | Alexander Bowen | |
| Movie | 1957 | Chicago Confidential | Jim Fremont | |
| Movie | 1962 | Moon Pilot | Maj. Gen. John M. Vanneman | |
| Movie | 1964 | A Tiger Walks | Sheriff Pete Williams | |
| Movie | 1968 | With Six You Get Eggroll | Jake Iverson | |
| Movie | 1961 | The Deadly Companions | Yellowleg | |
| Movie | 1981 | Charlie Chan and the Curse of the Dragon Queen | Police Chief Baxter | |
| Movie | 1963 | Savage Sam | Uncle Beck Coates | |
| Movie | 1961 | The Parent Trap | Mitch Evers | |
| Movie | 1964 | The Tenderfoot | Mose Carson | |
| Movie | 1989 | Welcome Home | Harry Robins | |
| Movie | 1980 | The Mountain Men | Henry Frapp | |
| Movie | 1955 | Tight Spot | Vince Striker | |
| Movie | 1966 | Way... Way Out | Gen. 'Howling Bull' Hallenby | |
| Movie | 1971 | Scandalous John | John McCanless | |
| Movie | 1976 | Nickelodeon | H.H. Cobb | |
| Movie | 1958 | Violent Road | Mitch Barton | |
| Movie | 1958 | Fort Dobbs | Clett | |
| Movie | 1954 | Jivaro | Tony | |
| Movie | 1982 | Cry for the Strangers | Chief Whalen | |
| Movie | 1972 | The Bull of the West | Johnny Wade | |
| Movie | 1954 | Alaska Seas | Jim Kimmerly | |
| Movie | 1969 | Gaily, Gaily | Francis Sullivan | |
| Movie | 1986 | The B.R.A.T. Patrol | General Newmeyer | |
| Movie | 1976 | The Loneliest Runner | Arnold Curtis | |
| Movie | 1957 | Dino | Larry Sheridan | |
| Movie | 1971 | Something Big | Col. Morgan | |
| Movie | 1954 | The Bamboo Prison | Cpl. Brady | |
| Movie | 1963 | The Raiders | McElroy | |
| Movie | 1960 | Ten Who Dared | William Dunn | |
| Movie | 1999 | Follow Your Heart | Roddy Thompson | |
| Movie | 1972 | Second Chance | Geoff Smith | |
| Movie | 1989 | Perry Mason: The Case of the Lethal Lesson | Frank Wellman Sr. | |
| Movie | 1958 | Sierra Baron | Jack McCrackin | |
| Movie | 1968 | Krakatoa, East of Java | Connerly | |
| Movie | 1970 | Suppose They Gave a War and Nobody Came? | Officer Michael M. Nace | |
| Movie | 1997 | The Second Civil War | General Buford | |
| Movie | 1964 | The Pleasure Seekers | Paul Barton | |
| Movie | 1987 | The Alamo: Thirteen Days to Glory | Colonel Davy Crockett | |
| Movie | 1988 | After the Rain | Byron Monroe | |
| Movie | 1980 | The Silent Lovers | Mauritz Stiller | |
| Movie | 1977 | The Court-Martial of George Armstrong Custer | Allan Jacobson - Defense Attorney | |
| Movie | 1957 | Hell Canyon Outlaws | Happy Waters | |
| Movie | 1977 | In the Matter of Karen Ann Quinlan | Joe Quinlan | |
| Movie | 1980 | Power | Charles Kandell | |
| Movie | 1954 | Mickey Spillane's Mike Hammer! | Mike Hammer | |
| Movie | 1951 | Fourteen Hours | Extra (uncredited) | |
| Movie | 1997 | Walking Thunder | Narrator | |
| Movie | 1976 | The Quest | Tank Logan | |
| Movie | 1976 | Joe Panther | Capt. Harper | |
| Movie | 1940 | Knute Rockne All American | Student at Train Station (uncredited) | |
| Movie | 1989 | Lady in a Corner | David Henderson | |
| Movie | 1993 | Wind Dancer | Truman Richards | |
| Movie | 1965 | Johnny Shiloh | Sgt. Gabe Trotter | |
| Movie | 1958 | Desert Hell | Capt. Robert Edwards | |
| Movie | 1947 | Boomerang! | Man in Mob Behind Courthouse (uncredited) | |
| Movie | 1964 | Bristle Face | Lue Swank | |
| Movie | 1979 | The Seekers | Elijah Weatherby | |
| Movie | 1995 | The Return of Hunter: Everyone Walks in L.A. | Pete Morgan | |
| Movie | 1958 | Villa!! | Bill Harmon | |
| Movie | 1981 | All-Star Party for Burt Reynolds | Self | |
| Movie | 1996 | Entertaining Angels: The Dorothy Day Story | Cardinal | |
| Movie | 2004 | Sam Peckinpah's West: Legacy of a Hollywood Renegade | Self (archive footage) | |
| Movie | 1975 | The Lion Roars Again | Self | |
| Movie | 1960 | Rapids Ahead/Bear Country | | |
| Movie | 1995 | National Lampoon's Favorite Deadly Sins | 'Noble Hart' / Self | |
| Movie | 1991 | The Gambler: The Luck Of The Draw | The Westerner | |
| Movie | 1986 | All Star Party for Clint Eastwood | Self | |
| TV Show | 1963 | The Great Adventure | Henry Bergh | 1 |
| TV Show | 1994 | Duckman | Duckman's Father (voice) | 1 |
| TV Show | 1983 | Hardcastle and McCormick | Milton Hardcastle | 67 |
| TV Show | 1966 | Family Affair | Bill Davis | 138 |
| TV Show | 1994 | Spider-Man | Uncle Ben (voice) | 2 |
| TV Show | 1963 | Kraft Suspense Theatre | Andy Bastian | 1 |
| TV Show | 1994 | Touched by an Angel | Leonard Pound | 1 |
| TV Show | 1995 | Cybill | | 1 |
| TV Show | 1993 | Walker, Texas Ranger | Del Forman | 1 |
| TV Show | 1991 | The Commish | | 1 |
| TV Show | 1960 | The Westerner | Dave Blassingame | 13 |
| TV Show | 1978 | Centennial | Sheriff Axel Dumire | 12 |
| TV Show | 1952 | The Ford Television Theatre | Dan Crawford | 1 |
| TV Show | 1951 | Hallmark Hall of Fame | Prosecuting Attorney | 1 |
| TV Show | 1955 | Alfred Hitchcock Presents | Dave Rainey | 1 |
| TV Show | 1962 | Sam Benedict | | 1 |
| TV Show | 1961 | Target: The Corruptors! | | 2 |
| TV Show | 1960 | Outlaws | | 2 |
| TV Show | 1959 | Rawhide | Tod Macauley | 1 |
| TV Show | 1962 | The Virginian | Johnny Wade | 1 |
| TV Show | 1969 | The Glen Campbell Goodtime Hour | Self | 1 |
| TV Show | 1950 | Lux Video Theatre | Happy | 1 |
| TV Show | 1954 | Climax! | Sam Pryce | 1 |
| TV Show | 1974 | The Zoo Gang | Stephen "The Fox" Halliday | 6 |
| TV Show | 1964 | Profiles in Courage | Thomas Hart Benton | 1 |
| TV Show | 1959 | Laramie | | 1 |
| TV Show | 1972 | The Brian Keith Show | Dr. Sean Jamison | 48 |
| TV Show | 1949 | Suspense | Johnny | 1 |
| TV Show | 1950 | Robert Montgomery Presents | Harry | 1 |
| TV Show | 1956 | Dick Powell's Zane Grey Theatre | Dave Blassingame | 1 |
| TV Show | 1951 | Tales of Tomorrow | | 4 |
| TV Show | 1961 | The Wonderful World of Disney | | 3 |
| TV Show | 1961 | Dr. Kildare | Alfred Freely | 1 |
| TV Show | 1987 | Pursuit of Happiness | | 10 |
| TV Show | 1989 | Heartland | B.L. McCutcheon | 10 |
| TV Show | 1975 | Archer | Lew Archer | 6 |
| TV Show | 1991 | Walter & Emily | Walter Collins | 13 |
| TV Show | 1958 | 77 Sunset Strip | Sgt. Patrick Cohan | 1 |
| TV Show | 1954 | The Wonderful World of Disney | Shadrach O'Reilly | 1 |
| TV Show | 1954 | Studio 57 | | 1 |
| TV Show | 1976 | The Quest | Tank Logan | 16 |
| TV Show | 1955 | Crusader | Matt Anders | 53 |
| TV Show | 1982 | World War III | Secretary General Gorny | 2 |
| TV Show | 1950 | Lux Video Theatre | Choya | 1 |
| TV Show | 1950 | Lux Video Theatre | David Sutton | 1 |
| TV Show | 1997 | Rough Riders | President William McKinley | 2 |
| TV Show | 1962 | The Tonight Show Starring Johnny Carson | Self | 1 |
| TV Show | 1954 | The Wonderful World of Disney | Sergeant Gabe Trotter | 2 |
| TV Show | 1955 | Alfred Hitchcock Presents | Arnold Shawn | 1 |
| TV Show | 1955 | Alfred Hitchcock Presents | Herbert Morrison | 1 |
| TV Show | 1955 | Alfred Hitchcock Presents | Vernon Wedge | 1 |
| TV Show | 1984 | Murder, She Wrote | Caleb McCallum | 1 |
| TV Show | 1993 | Star Trek: Deep Space Nine | Mullibok | 1 |
| TV Show | 1994 | Burke's Law | Norman Hope | 1 |
| TV Show | 1949 | Suspense | Lt. Jim Connor | 1 |
| TV Show | 1949 | Suspense | Idaho | 1 |
| TV Show | 1949 | Suspense | | 2 |
| TV Show | 1949 | Suspense | Kip Caley | 1 |
| TV Show | 1959 | The Untouchables | Jim Martinson | 1 |
| TV Show | 1954 | The Wonderful World of Disney | Lue Swank | 2 |
| TV Show | 1979 | The Chisholms | Andrew Blake | 1 |
| TV Show | 1954 | The Wonderful World of Disney | Gen. Newmeyer | 1 |
| TV Show | 1963 | The Fugitive | Edward Welles | 1 |
| TV Show | 1996 | Pacific Blue | Mac McNamara | 1 |
| TV Show | 1962 | The Alfred Hitchcock Hour | Jim Mallory | 1 |
| TV Show | 1952 | The Ford Television Theatre | Mano | 1 |
| TV Show | 1977 | How the West Was Won | General Stonecipher | 2 |
| TV Show | 1954 | Studio 57 | Dan | 1 |
| TV Show | 1953 | The Pepsi-Cola Playhouse | Joe Kelly | 1 |
| TV Show | 1954 | Studio 57 | Denis Burke | 1 |
