| "The Legend of Prince Valiant" | Merlin |
| "The Legend of Prince Valiant" | Merlin |
| "The Legend of Prince Valiant" | Merlin |
| "The Legend of Prince Valiant" | Merlin |
| "The Legend of Prince Valiant" | Merlin |
| "The Legend of Prince Valiant" | Merlin |
| Of Men and Women | (segment "Margie Passes") |
| "Captain Planet and the Planeteers" | Additional Voices (voice) |
| "Captain Planet and the Planeteers" | Additional Voices (voice) |
| The Pound Puppies | Barkerville (voice) |
| The Smurfs Christmas Special | (voice) |
| "The New Scooby-Doo Movies" | |
| "The New Scooby-Doo Movies" | |
| "Scooby-Doo and Scrappy-Doo" | Additional Voices (voice) |
| My Smurfy Valentine | (voice) |
| "Bonanza" | Darius Dalrymple / ... (3 episodes, 1971-1972) |
| "Get Smart" | Agent 498 / ... (2 episodes, 1967-1968) |
| "Hogan's Heroes" | Colonel Sitzer / ... (4 episodes, 1967-1969) |
| "I Spy" | Colonel Benkovsky (2 episodes, 1966-1967) |
| "Felony Squad" | Ed Clark (2 episodes, 1966) |
| "It's About Time" | Pettijohn (1 episode, 1967) |
| "It's About Time" | Miss Fenway (1 episode, 1967) |
| "That Girl" | Dr. Globe / ... (3 episodes, 1970) |
| "He & She" | Murray Mouse (1 episode, 1967) |
| "Mannix" | Doctor Hal / ... (2 episodes, 1971-1975) |
| Gunn | Whiteside (as Allan Oppenheimer) |
| In the Heat of the Night | Ted Appleton (uncredited) |
| "Here Come the Brides" | Victor (2 episodes, 1969-1970) |
| "Here's Lucy" | Dr. Parker / ... (2 episodes, 1972) |
| "The Mod Squad" | Phil Norval (2 episodes, 1968-1971) |
| How to Save a Marriage and Ruin Your Life | Everett Bauer |
| Star! | Andre Charlot, Producer |
| Up Tight! | Unctuous Man in Arcade |
| "The Courtship of Eddie's Father" | Sy Freeman (2 episodes, 1971-1972) |
| "Medical Center" | Dr. Danfield (2 episodes, 1975) |
| "Scooby Doo, Where Are You!" | Additional Voices (unknown episodes) |
| The Maltese Bippy | Adolph Springer |
| "The Partridge Family" | Atwater / ... (3 episodes, 1971-1974) |
| Little Big Man | Major |
| Inside O.U.T. | Edgar Winston |
| "The New Scooby-Doo Movies" | (1 episode, 1972) |
| "Temperatures Rising" | Carl Blackstrong / ... (2 episodes, 1972-1974) |
| The Groundstar Conspiracy | General Hackett |
| "Inch High, Private Eye" | Additional Voices / ... (unknown episodes) |
| "Speed Buggy" | Additional Voices (1973-1974) (voice) |
| The Thief Who Came to Dinner | Insurance Man |
| Westworld | Chief Supervisor |
| What Are Best Friends For? | Dr. Otto Ludwig |
| "Hong Kong Phooey" | (unknown episodes) |
| "The Six Million Dollar Man" | Dr. Rudy Wells |
| "Valley of the Dinosaurs" | Gorak (1974-76) (voice) |
| Win, Place or Steal | Lt. Mannite |
| Death Sentence | Lubell |
| "Big Eddie" | Jessie Smith (unknown episodes) |
| The Gentleman Tramp | Narrator |
| The Hindenburg | Albert Breslau |
| The Lives of Jenny Dolan | Springfield |
| Helter Skelter | Aaron Stovitz |
| Riding with Death | Dr. Hale |
| "C B Bears" | Sidney Merciless (1977-1978) (voice) |
| "Washington: Behind Closed Doors" | Simon Cappell |
| Freaky Friday | Mr. Joffert |
| Record City | Blind Man |
| Tail Gunner Joe | |
| "Battle of the Planets" | Additional Voices (unknown episodes) |
| The Ghost of Flight 401 | Barton |
| To Kill a Cop | Captain Finnerty |
| "Blind Ambition" | George Simonson |
| "Eischied" | Capt. Finnerty (9 episodes, 1979-1980) |
| "The New Animated Adventures of Flash Gordon" | Dr. Hans Zarkov (1979, 1982-1983) |
| A Pleasure Doing Business | Marvin |
| Private Benjamin | Rabbi |
| "Smurfs" | Father Time |
| "Trollkins" | Sheriff Pudge Trollsom (1981-82) (unknown episodes) |
| Macbeth | Duncan |
| "Knight Rider" | General Duncton / ... (2 episodes, 1982-1985) |
| "Scooby-Doo and Scrappy-Doo" | Additional Voices (unknown episodes) |
| "St. Elsewhere" | Ira Rosenthal (2 episodes, 1983) |
| Divorce Wars: A Love Story | Arthur Lazar |
| "Mama's Family" | Mayor Alvin Tutweiler (4 episodes, 1983-1988) |
| Memorial Day | Stallings |
| "Murder, She Wrote" | Dr. Raymond Auerbach (2 episodes, 1991) |
| "Night Court" | Judge Crockett (2 episodes, 1985-1987) |
| "Transformers" | Beachcomber / ... (4 episodes, 1985) |
| Unendliche Geschichte, Die | Falkor |
| "The 13 Ghosts of Scooby-Doo" | (1 episode, 1985) |
| "The Wuzzles" | Croc / ... (unknown episodes) |
| The Execution | Max Langbein |
| My Wicked, Wicked Ways... The Legend of Errol Flynn | Jerry Gersler |
| The Secret of the Sword | Skeletor |
| Strong Medicine | Dr. Noah Townsend |
| "Bionic Six" | Metalhead / ... (1 episode, 1987) |
| "Bionic Six" | Metalhead / ... (1 episode, 1987) |
| The Two Mrs. Grenvilles | Sam Rosenthal |
| "Murphy Brown" | Eugene Kinsella (11 episodes, 1989-1992) |
| "A Pup Named Scooby-Doo" | Additional Voices (unknown episodes) |
| Moving | Mr. Cadell |
| Fat Man and Little Boy | (voice) |
| Pryde of the X-Men | The Blob |
| "Captain Planet and the Planeteers" | Additional Voices (unknown episodes) |
| "TaleSpin" | Principal Ed Pomeroy (unknown episodes) |
| "The Wizard of Oz" | Wizard |
| "The Legend of Prince Valiant" | Merlin |
| Absolute Strangers | |
| Child of Darkness, Child of Light | George Beavier |
| Lucy & Desi: Before the Laughter | Arthur Lyons |
| "Batman" | Auctioneer (2 episodes, 1994-1995) |
| Little Nemo: Adventures in Slumberland | Oomp (voice) |
| Love Field | Announcer |
| "Home Free" | Ben Brookstone (unknown episodes) |
| I Yabba-Dabba Do! | Additional Voices (voice) |
| Invisible: The Chronicles of Benjamin Knight | Dr. Knox |
| "Phantom 2040" | Professor Jack Archer |
| Trancers 4: Jack of Swords | Farr |
| Trancers 5: Sudden Deth | Farr |
| "The Practice" | Dr. Papp / ... (2 episodes, 1999-2001) |
| "Slimer! And the Real Ghostbusters" | Morris Grout (unknown episodes) |
| "He-Man and the Masters of the Universe" | Cringer, Battlecat, Man-At-Arms (Duncan), Skeletor, Mer-Man, Buzz-Off, Roboto, Melaktha (3 episodes, |
| "She-Ra: Princess of Power" | Beast Man |
| "BraveStarr" | Handlebar / ... (5 episodes, 1987-1988) |
| "Ghostbusters" | Prime Evil (1 episode, 1986) |
| "Uncle Croc's Block" | Fraidy Cat / Tinker / Dog / Mouse / Hokey (voice) |
| "BraveStarr" | Handlebar / ... (5 episodes, 1987-1988) |
| "The New Tom & Jerry Show" | Additional Voices (voice) |
| "Challenge of the GoBots" | Additional Voices (unknown episodes) |
| Judgement: The Court Martial of the Tiger of Malaya - General Yamashita | |
| "Captain Planet and the Planeteers" | Additional Voices (unknown episodes) |
| "Mighty Mouse, the New Adventures" | Additional Voices (unknown episodes) |
| "Phantom 2040" | Professor Jack Archer |
| "Chuck Norris: Karate Kommandos" | President (unknown episodes) |
| Skeletor's Revenge | Skeletor |
| "Blackstar" | Carpo / ... (unknown episodes) |
| "Butch Cassidy" | (voice) |
| Invisible: The Chronicles of Benjamin Knight | Dr. Knox |
| My Wicked, Wicked Ways... The Legend of Errol Flynn | Jerry Gersler |
| "Thundarr the Barbarian" | Mindok The Mind Menace / ... (2 episodes, 1980) |
| "Fantastic Four" | Uatu the Watcher |
| Culture | |
| Scooby-Doo and the Reluctant Werewolf | Mummy (voice) |
| "Battle of the Planets" | Additional Voices (unknown episodes) |
| Mighty Mouse in the Great Space Chase | Mighty Mouse |
| "Passions" | Alistair Crane (4 episodes, 2003) |
| "The New Adventures of Mighty Mouse and Heckle and Jeckle" | Mighty Mouse |
| You Can't Take It with You | FBI Man |
| 'Tis the Season to Be Smurfy | (voice) |
| Chip 'N Dale's Rescue Rangers to the Rescue | Aldren Klordane (voice) |
| "ABC Afterschool Specials" | First Cadet / ... (2 episodes, 1974-1979) |
| "Mighty Mouse, the New Adventures" | Additional Voices (unknown episodes) |
| "The Kid Super Power Hour with Shazam!" | Uncle Dudley / Mr. Tawny / Dr. Sivana (voice) |
| The Six Million Dollar Man: Solid Gold Kidnapping | Dr. Rudy Wells |
| The Six Million Dollar Man: Wine, Women and War | Dr. Rudy Wells |
| "Superman" | Jonathan Kent |
| "Where's Waldo?" | Additional Voices (13 episodes, 1991-1992) |
| Ys: Book 1&2 | Darm |
| "Drak Pack" | Count Dracula |
| "Rambo" | Sgt. Havoc (voice) |
| Forgotten Realms: Baldur's Gate II - Shadows of Amn | Guardian Telwyn / Sir Sarles / Mornmaster Thaddin Dawnhunter (voice) |
| Invictus | (voice) |
| Close Ties | Watson |
| "The Centurions" | (unknown episodes) |
| Blondie and Dagwood | Julius Dithers (voice) |
| Fallout Tactics: Brotherhood of Steel | (voice) |
| Tales from the Hollywood Hills: The Old Reliable | Monty Gladstone |
| Star Trek: Starfleet Command: Volume II: Empires at War | |
| A Christmas Special | Skeletor |
| The Bionic Woman | Dr. Rudy Wells |
| "The Big O" | Norman Burg (Season 2) (unknown episodes) |
| "James Bond Jr." | (unknown episodes) |
| Phantom 2040: The Ghost Who Walks | Additional Voices (voice) |
| "Fabulous Funnies" | The Captain / Gaylord / Irwin / Grelber / Tumbleweeds (voice) |
| "Grim & Evil" | Father Time |
| "Scooby Doo, Where Are You!" | Additional Voices (unknown episodes) |
| Soldier of Fortune II: Double Helix | Dr. Piotr Ivanovich (voice) |
| "The Greatest Stories of the Bible" | (1 episode, 1986) |
| The Nativity | (voice) |
| Earth and Beyond | Memnon (voice) |
| Bravestarr: The Legend | (voice) |
| The Smurfs Springtime Special | (voice) |
| Dark Chronicle | Mayor Need (voice: English version) (uncredited) |
| Bravestarr: The Legend | (voice) |
| Lionheart | (voice) |
| Forgotten Realms: Baldur's Gate - Dark Alliance II | (voice) |
| Nox | Captain, Necromancer 1, Lewis (voice) |
| Revenant | Ogrok Urgg (voice) |
| Judgement: The Court Martial of the Tiger of Malaya - General Yamashita | |
| The Bard's Tale | Additional Voices (voice) |
