| No Room to Run | 1978 | Garth Kingswood | TV Movie |
| Oh, God! | 1977 | Bishop Reardon | Movie |
| Fantasy Island | 1977 | Prof. Neville Marlowe | TV Show |
| Lucan | 1977 | Amos Colfax | TV Show |
| The Love Boat | 1977 | Phillip Shaffer | TV Show |
| The Washington Affair | 1977 | Walter Nicholson | Movie |
| Violent Naples | 1976 | 'O' Generale | Movie |
| Collision Course: Truman vs. MacArthur | 1976 | Secretary of State Dean Acheson | TV Movie |
| Once an Eagle | 1976 | Gen. Bannerman | TV Show |
| Charlie's Angels | 1976 | DeMargeran | TV Show |
| Quincy M.E. | 1976 | Dr. Herbert Stone | TV Show |
| Rich Man, Poor Man - Book II | 1976 | Sen. Paxton | TV Show |
| The Bionic Woman | 1976 | Dr. Ellis Hatch | TV Show |
| Grand Jury | 1976 | Don Bentine | Movie |
| Survival | 1976 | Barry | Movie |
| Take a Hard Ride | 1975 | Kane | Movie |
| The 'Human' Factor | 1975 | Edmonds | Movie |
| The Invisible Man | 1975 | Lionel Parks | TV Show |
| Earthquake | 1974 | Stockle | Movie |
| Hurricane | 1974 | Hank Stoddard | TV Movie |
| Little House on the Prairie | 1974 | Frederick Holbrook | TV Show |
| Lucas Tanner | 1974 | Thomas Keyes | TV Show |
| Movin' On | 1974 | Zack Bernhardt | TV Show |
| Pat Garrett & Billy the Kid | 1973 | Chisum | Movie |
| Savage | 1973 | Judge Daniel Stern | TV Movie |
| Barnaby Jones | 1973 | Gordon McKenna / Jason Craig | TV Show |
| Harry O | 1973 | Paul Armin Sawyer | TV Show |
| Police Story | 1973 | Lt. Bellin | TV Show |
| The Magician | 1973 | Joseph Baker | TV Show |
| Letters from Three Lovers | 1973 | Joshua | TV Movie |
| The Candidate | 1972 | Barry Sullivan | Movie |
| Cool Million | 1972 | Baynard Barnes | TV Show |
| Kung Fu | 1972 | Edwards / Dillon | TV Show |
| The Sixth Sense | 1972 | Amos Sutherland | TV Show |
| The Streets of San Francisco | 1972 | Breitbach / Murray Brennan / Marty Wallach / ... | TV Show |
| Another Part of the Forest | 1972 | Marcus Hubbard | TV Movie |
| Cannon | 1971 | Calhoun | TV Movie |
| Yuma | 1971 | Nels Decker | TV Movie |
| Cannon | 1971 | Gordon McKenna / Sheriff Jesse Luke | TV Show |
| Longstreet | 1971 | Jordan Anderson | TV Show |
| McMillan & Wife | 1971 | Walt Harmon | TV Show |
| Owen Marshall: Counselor at Law | 1971 | Grant Chase | TV Show |
| The Price | 1971 | Walter Franz | TV Movie |
| House on Greenapple Road | 1970 | Chief Frank Untermyer | TV Movie |
| Dan August | 1970 | Pete Killian | TV Show |
| McCloud | 1970 | Gen. Ralph Touhy | TV Show |
| Shark | 1969 | Prof. Dan Mallare | Movie |
| Tell Them Willie Boy Is Here | 1969 | Calvert | Movie |
| The Arrangement | 1969 | Chet Collier (uncredited) | Movie |
| Bracken's World | 1969 | Gordon Stinson | TV Show |
| ITV Saturday Night Theatre | 1969 | Walter Franz | TV Show |
| Marcus Welby, M.D. | 1969 | Cortland Evans | TV Show |
| Medical Center | 1969 | Dr. Sangford / Prof. Tinker Polk | TV Show |
| Night Gallery | 1969 | Dr. Simsich / Dr. Frank Heatherton (segment "Eyes") | TV Show |
| The Immortal | 1969 | Jordan Braddock | TV Show |
| It Takes All Kinds | 1969 | Orville Benton | Movie |
| This Savage Land | 1969 | Benjamin Pride | TV Movie |
| This Town Will Never Be the Same | 1969 | Abner Doyle | TV Movie |
| How to Steal the World | 1968 | Dr. Robert Kingsley | Movie |
| Hawaii Five-O | 1968 | Morgan Hilliard | TV Show |
| It Takes a Thief | 1968 | Gen. Wiley / Robert Benjamin | TV Show |
| The Name of the Game | 1968 | Sen. Creston Collins / Dane Bigelow | TV Show |
| Buckskin | 1968 | Chaddock | Movie |
| Stalked | 1968 | Narrator | Short Film |
| Johnny Belinda | 1967 | Black MacDonald | TV Movie |
| Garrison's Gorillas | 1967 | Capt. Tom Flagg | TV Show |
| Ironside | 1967 | Bruno Roman / Howard Jameson | TV Show |
| Mannix | 1967 | Victor Fortune | TV Show |
| The Danny Thomas Hour | 1967 | Fairbanks | TV Show |
| The High Chaparral | 1967 | Dan Casement | TV Show |
| CBS Playhouse | 1967 | Rod | TV Show |
| An American Dream | 1966 | Roberts | Movie |
| The Poppy Is Also a Flower | 1966 | Chasen | TV Movie |
| Mission: Impossible | 1966 | Alex Lowell | TV Show |
| That Girl | 1966 | Barry Sullivan | TV Show |
| Intimacy | 1966 | Walter Nicholson | Movie |
| The Road West | 1966 | Ben Pride | TV Show |
| Harlow | 1965 | Marino Bello | Movie |
| My Blood Runs Cold | 1965 | Julian Merriday | Movie |
| Planet of the Vampires | 1965 | Capt. Mark Markary | Movie |
| Run for Your Life | 1965 | Sheriff Trumbell | TV Show |
| The Loner | 1965 | The Doctor | TV Show |
| The Long, Hot Summer | 1965 | Roger Lake | TV Show |
| Pyro... The Thing Without a Face | 1964 | Vance Pierson | Movie |
| The Winston Affair | 1964 | General Kempton | Movie |
| 12 O'Clock High | 1964 | Lt. Gen. Max Gallagher | TV Show |
| Slattery's People | 1964 | James Patrick Shepherd | TV Show |
| The Man from U.N.C.L.E. | 1964 | Dr. Robert Kingsley | TV Show |
| Stage to Thunder Rock | 1964 | Sheriff Horne | Movie |
| The Reporter | 1964 | Les Borden | TV Show |
| Grand Hotel | 1964 | Manager | TV Movie |
| A Gathering of Eagles | 1963 | Col. Bill Fowler | Movie |
| Arrest and Trial | 1963 | Fred Palmer | TV Show |
| Bob Hope Presents the Chrysler Theatre | 1963 | Oscar Teckla | TV Show |
| Kraft Suspense Theatre | 1963 | Maj. Victor Hanley | TV Show |
| The Great Adventure | 1963 | E.J. Edwards / William Ralston | TV Show |
| Light in the Piazza | 1962 | Noel Johnson | Movie |
| Sam Benedict | 1962 | Doug Stover | TV Show |
| The Alfred Hitchcock Hour | 1962 | Paul Sampson | TV Show |
| The Virginian | 1962 | John Springfield / Frank Dawson | TV Show |
| Ben Casey | 1961 | David Masterson / Dr. Arnold Swanson | TV Show |
| The Dick Powell Theatre | 1961 | Miles Calman | TV Show |
| Seven Ways from Sundown | 1960 | Jim Flood | Movie |
| Insight | 1960 | Roger Drummond / Bern | TV Show |
| Route 66 | 1960 | Warren Barr | TV Show |
| The Tall Man | 1960 | Pat Garrett | TV Show |
| The Purple Gang | 1959 | Police Lt. William P. Harley | Movie |
| Bonanza | 1959 | Attorney Dayton Fuller / Mark Burdette | TV Show |
| Startime | 1959 | Jules | TV Show |
| The DuPont Show with June Allyson | 1959 | Richard Bradley | TV Show |
| Another Time, Another Place | 1958 | Carter Reynolds | Movie |
| Westinghouse Desilu Playhouse | 1958 | Whitman / Pat Selman | TV Show |
| Wolf Larsen | 1958 | Wolf Larsen | Movie |
| Pursuit | 1958 | Henry Savage | TV Show |
| Forty Guns | 1957 | Griff Bonell | Movie |
| Perry Mason | 1957 | Ken Kramer | TV Show |
| Dragoon Wells Massacre | 1957 | Link Ferris | Movie |
| The Way to the Gold | 1957 | Marshal Hannibal | Movie |
| Harbormaster | 1957 | Capt. David Scott | TV Show |
| Julie | 1956 | Cliff Henderson | Movie |
| The Maverick Queen | 1956 | Jeff Young / Jeff Younger | Movie |
| Playhouse 90 | 1956 | Capt. Schuyler 'Sky' Hobart / Sturbridge / Daniel Joyce / ... | TV Show |
| Zane Grey Theater | 1956 | Clint Shannon / Jed Lorimer / Raney Benson | TV Show |
| The Man Called X | 1956 | Ken Thurston | TV Show |
| Queen Bee | 1955 | Avery Phillips | Movie |
| Strategic Air Command | 1955 | Lt. Col. Rocky Samford | Movie |
| Texas Lady | 1955 | Chris Mooney | Movie |
| Alfred Hitchcock Presents | 1955 | Mark Robeson | TV Show |
| Ford Star Jubilee | 1955 | Maj. Victor Joppolo / Lt. Barney Greenwald | TV Show |
| Loophole | 1954 | Mike Donovan | Movie |
| Her Twelve Men | 1954 | Richard Y. Oliver, Sr. | Movie |
| Playgirl | 1954 | Mike Marsh | Movie |
| Climax! | 1954 | Dr. Edwards / Dr. Donald Carter | TV Show |
| The Magical World of Disney | 1954 | Dr. Seldon | TV Show |
| The Miami Story | 1954 | Mick Flagg aka Mike Pierce | Movie |
| Jeopardy | 1953 | Doug Stilwin | Movie |
| G.E. True Theater | 1953 | Robert Slenger | TV Show |
| The United States Steel Hour | 1953 | Jerry Coogan | TV Show |
| A Slight Case of Larceny | 1953 | Radio Stock Quoter (voice, uncredited) | Movie |
| China Venture | 1953 | Cmdr. Bert Thompson | Movie |
| Cry of the Hunted | 1953 | Lt. Tunner | Movie |
| Medallion Theatre | 1953 | | TV Show |
| Skirts Ahoy! | 1952 | Lt. Cmdr. Paul Elcott | Movie |
| The Bad and the Beautiful | 1952 | Fred Amiel | Movie |
| The Ford Television Theatre | 1952 | Blaine Chandler / Steve McCoy | TV Show |
| Chevron Theatre | 1952 | Detective Nemo Grey | TV Show |
| Cause for Alarm! | 1951 | George Z. Jones | Movie |
| Mr. Imperium | 1951 | Paul Hunter | Movie |
| Payment on Demand | 1951 | David Ramsey | Movie |
| The Unknown Man | 1951 | Joe Bucknor | Movie |
| Three Guys Named Mike | 1951 | Mike Tracy | Movie |
| Grounds for Marriage | 1951 | Chris Bartlett | Movie |
| Inside Straight | 1951 | Johnny Sanderson | Movie |
| No Questions Asked | 1951 | Steve Keiver | Movie |
| A Life of Her Own | 1950 | Lee Gorrance | Movie |
| Nancy Goes to Rio | 1950 | Paul Berten | Movie |
| The Outriders | 1950 | Jesse Wallace | Movie |
| Lux Video Theatre | 1950 | Dan / Jeff Foster | TV Show |
| Any Number Can Play | 1949 | Tycoon | Movie |
| Tension | 1949 | Lt. Collier Bonnabel | Movie |
| The Great Gatsby | 1949 | Tom Buchanan | Movie |
| Badmen of Tombstone | 1949 | Tom Horn | Movie |
| Studio One in Hollywood | 1948 | Edward Roberts / Steve Burke / Michael Norman | TV Show |
| Smart Woman | 1948 | Frank McCoy | Movie |
| Framed | 1947 | Steve Price | Movie |
| The Gangster | 1947 | Shubunka | Movie |
| Suspense | 1946 | Joe Morgan | Movie |
| Duffy's Tavern | 1945 | Danny Murphy | Movie |
| Getting Gertie's Garter | 1945 | Ted Dalton | Movie |
| And Now Tomorrow | 1944 | Jeff Stoddard | Movie |
| Lady in the Dark | 1944 | Dr. Brooks | Movie |
| Rainbow Island | 1944 | Ken Masters | Movie |
| The Woman of the Town | 1943 | King Kennedy | Movie |
| High Explosive | 1943 | Mike Douglas | Movie |
| Hi-Ho Hollywood | 1938 | Actor on set (uncredited) | Short Film |
| Dime a Dance | 1937 | Sailor | Short Film |
| Dates and Nuts | 1937 | Collegian (uncredited) | Short Film |
| Broker's Follies | 1937 | Broker (uncredited) | Short Film |
| Strike! You're Out! | 1936 | Bob Pembroke | Short Film |
