| Movie | 2000 | Scooby-Doo's Creepiest Capers | (voice) | |
| Movie | 1999 | Scooby-Doo's Greatest Mysteries | Ghost / Additional Voices (voice) | |
| Movie | 2000 | Scooby-Doo's Original Mysteries | Additional Voices (voice) (archive footage) (archive footage) | |
| Movie | 1960 | An Introduction to Feedback | Narrator | |
| Movie | 1982 | Flash Gordon: The Greatest Adventure of All | Ming the Merciless (voice) | |
| Movie | 1973 | A Cold Night's Death | Ryan Horner / Project Director (voice)(uncredited) | |
| Movie | 1968 | Vixen! | Narrator (uncredited) | |
| Movie | 1974 | Freedom 2000 | | |
| Movie | 1954 | Black Tuesday | Dr. Hart | |
| Movie | 1981 | Daniel Boone | | |
| Movie | 1954 | Dragnet | Deputy D.A. Adolph Alexander | |
| Movie | 1953 | The System | Little Harry Goubenek | |
| Movie | 1963 | Europe in the Raw | Narrator (Voice) | |
| Movie | 1953 | Forever Female | Stage Designer at Sardi's (uncredited) | |
| Movie | 1972 | The Thanksgiving That Almost Wasn't | Dad Squirrel / Francis Cooke / Massasoit (voice) | |
| Movie | 1959 | City of Fear | | |
| Movie | 1952 | Don't Bother to Knock | Elevator Operator (uncredited) | |
| Movie | 2011 | Scooby-Doo! and the Robots | (voice) (archive footage) | |
| Movie | 1950 | Outrage | Andy | |
| Movie | 1960 | Spartacus | Narrator (voice) (uncredited) | |
| Movie | 1958 | Hi Grandma! | | |
| Movie | 1964 | The Searching Eye | Narrator | |
| Movie | 1972 | Gargoyles | The Gargoyle (voice) | |
| Movie | 1958 | Mutts About Racing | Announcer (voice) (uncredited) | |
| Movie | 1976 | World Beneath the Sea | Narrator | |
| Movie | 1954 | Riding Shotgun | Bar-M Rider with Lynching Rope | |
| Movie | 1969 | Dragnet | Don Negler | |
| Movie | 1969 | Mission: Impossible vs. the Mob | Cheever | |
| Movie | 1975 | The Abduction of Saint Anne | Doctor | |
| Movie | 1966 | The Bubble | Taxi Driver (as Victor Perrin) | |
| Movie | 1974 | The Klansman | Hector | |
| Movie | 1971 | Mean Justice | Matt Webster | |
| Movie | 2011 | Scooby-Doo! and the Pirates | (voice) (archive footage) | |
| Movie | 2001 | Scooby-Doo's Spookiest Tales | Additional Voices (voice) (archive footage) | |
| Movie | 1953 | The Twonky | TV Salesman (uncredited) | |
| Movie | 1984 | Gallavants | Teetor (voice) | |
| Movie | 1986 | Daniel and the Lion's Den | (voice) | |
| Movie | 1965 | Magnificence in Trust | Narrator | |
| TV Show | 1966 | Star Trek | Nomad (voice) | 2 |
| TV Show | 1958 | 77 Sunset Strip | | 2 |
| TV Show | 1964 | Jonny Quest | | 4 |
| TV Show | 1972 | Kung Fu | Eldon Riddle | 1 |
| TV Show | 1965 | The F.B.I. | Roy Moberly | 1 |
| TV Show | 1959 | The Twilight Zone | Jim - Trooper | 1 |
| TV Show | 1972 | The Streets of San Francisco | | 1 |
| TV Show | 1966 | Space Ghost and Dino Boy | Creature King (voice) | 60 |
| TV Show | 1968 | Land of the Giants | Giant Small Man Shoved by FitzHugh | 1 |
| TV Show | 1967 | Mannix | Tony | 1 |
| TV Show | 1967 | The Superman/Aquaman Hour of Adventure | | 18 |
| TV Show | 1951 | Dragnet | | 15 |
| TV Show | 1955 | Gunsmoke | Hank | 1 |
| TV Show | 1957 | Perry Mason | Assistant D.A. Rice | 1 |
| TV Show | 1975 | Wonder Woman | Gorel | 2 |
| TV Show | 1954 | Lassie | | 2 |
| TV Show | 1959 | Johnny Staccato | | 1 |
| TV Show | 1959 | The Twilight Zone | Martian | 1 |
| TV Show | 1962 | Going My Way | | 1 |
| TV Show | 1959 | Rawhide | Poke | 1 |
| TV Show | 1957 | Have Gun, Will Travel | Rheinhart | 1 |
| TV Show | 1971 | Help!... It's the Hair Bear Bunch! | | 16 |
| TV Show | 1962 | The Virginian | Ben Dixon | 1 |
| TV Show | 1968 | Lancer | | 2 |
| TV Show | 1958 | Peter Gunn | | 1 |
| TV Show | 1957 | Richard Diamond, Private Detective | Smith | 1 |
| TV Show | 1965 | The Big Valley | Albert Pruitt | 1 |
| TV Show | 1967 | Shazzan | | 6 |
| TV Show | 1952 | Adventures of Superman | Scurvey | 1 |
| TV Show | 1978 | Challenge of the Super Friends | | 32 |
| TV Show | 1979 | The New Adventures of Flash Gordon | | 32 |
| TV Show | 1956 | The Adventures of Jim Bowie | | 1 |
| TV Show | 1959 | Black Saddle | Noah Bailey | 1 |
| TV Show | 1958 | Wanted: Dead or Alive | Willie Jo Weems | 1 |
| TV Show | 1959 | The Rebel | Will Arvid | 1 |
| TV Show | 1959 | Black Saddle | Ernie Weems | 1 |
| TV Show | 1961 | Dr. Kildare | Veterinarian | 1 |
| TV Show | 1956 | Telephone Time | | 1 |
| TV Show | 1959 | Black Saddle | Hayes | 1 |
| TV Show | 1965 | The F.B.I. | Joseph Kowalchek | 1 |
| TV Show | 1965 | The F.B.I. | Frankie Denton | 1 |
| TV Show | 1959 | Rawhide | Vinnie Pitts | 1 |
| TV Show | 1955 | Gunsmoke | Wilbur Hawkins | 1 |
| TV Show | 1955 | Gunsmoke | Nate | 1 |
| TV Show | 1955 | Gunsmoke | Argus | 1 |
| TV Show | 1955 | Gunsmoke | Huckaby | 1 |
| TV Show | 1968 | Adam-12 | Abner Hempel | 1 |
| TV Show | 1968 | Adam-12 | Everett Jones | 1 |
| TV Show | 1983 | The New Scooby and Scrappy-Doo Show | Mr. McDabble (voice) | 1 |
| TV Show | 1983 | The New Scooby and Scrappy-Doo Show | Mr kronos (voice) | 1 |
| TV Show | 1966 | Star Trek | Tharn | 1 |
| TV Show | 1963 | The Outer Limits | Control Voice (voice) (uncredited) | 49 |
| TV Show | 1966 | Star Trek | Metron (voice) | 1 |
| TV Show | 1952 | Four Star Playhouse | Ed Walker | 1 |
| TV Show | 1969 | Scooby-Doo, Where Are You! | Pietro / The Puppet Master (voice) | 1 |
| TV Show | 1969 | Scooby-Doo, Where Are You! | Carl / The Ape Man (voice) | 1 |
| TV Show | 1969 | Scooby-Doo, Where Are You! | Dr. Najib (voice) | 1 |
| TV Show | 1969 | Scooby-Doo, Where Are You! | The Snow Ghost / Fu Lan Chi / Mr. Leech / Yeti (voice) | 1 |
| TV Show | 1966 | Mission: Impossible | Dr. Ira Drake | 1 |
| TV Show | 1966 | Mission: Impossible | Cheever | 2 |
| TV Show | 1960 | The Brothers Brannagan | Tony | 1 |
| TV Show | 1967 | The Invaders | Hypnotist Alien | 1 |
| TV Show | 1966 | Mission: Impossible | Anton Massik | 1 |
| TV Show | 1979 | Buck Rogers in the 25th Century | First Guardian | 1 |
| TV Show | 1966 | Mission: Impossible | Owner | 1 |
| TV Show | 1985 | The Greatest Adventure: Stories from the Bible | (voice) | 1 |
| TV Show | 1975 | Kate McShane | Father Brancusi | 1 |
| TV Show | 1979 | Spider-Woman | Kuthu (voice) | 16 |
| TV Show | 1957 | Have Gun, Will Travel | Sheriff Cooley | 1 |
| TV Show | 1957 | Have Gun, Will Travel | Arnold | 1 |
| TV Show | 1957 | Have Gun, Will Travel | Storekeeper Frazier | 1 |
| TV Show | 1957 | Have Gun, Will Travel | Drunk | 1 |
| TV Show | 1959 | The Untouchables | Robert Riordan | 1 |
