| Movie | Chip 'n Dale: Rescue Rangers | He-Man / Skeletor (voice) | 2022-05-20 |
| Movie | Toy Story 4 | Old Timer (voice) | 2019-06-19 |
| Movie | Power of Grayskull: The Definitive History of He-Man and the Masters of the Universe | Self - Voice Actor | 2017-09-09 |
| Movie | Fall of Grayskull | Narrator | 2015-09-11 |
| Movie | Toy Masters | Himself | 2014-08-16 |
| Movie | Foxcatcher | Du Pont Dynasty Narrator (voice) | 2014-11-14 |
| Movie | Superman/Batman: Public Enemies | Alfred Pennyworth (voice) | 2009-09-29 |
| Movie | 9 | Scientist (voice) | 2009-08-19 |
| Movie | Jane Doe: Eye of the Beholder | Hans Engelslepen | 2008-01-12 |
| Movie | The Making of God of War II | Prometheus | 2007-03-13 |
| Series | 'Til Death | Unknown | 2006-09-07 |
| Series | Clifford's Puppy Days | Unknown | 2003-09-01 |
| Series | Gilmore Girls | Unknown | 2000-10-05 |
| Series | The Big O | 1999-10-13 | |
| Movie | Batman & Mr. Freeze: SubZero | (voice) | 1998-02-11 |
| Series | The Practice | Unknown | 1997-03-04 |
| Movie | Culture | Editor | 1997-10-01 |
| Series | Star Trek: Voyager | Unknown | 1995-01-16 |
| Movie | Trancers 4: Jack of Swords | Farr | 1994-02-02 |
| Movie | Trancers 5: Sudden Deth | Farr | 1994-09-10 |
| Series | Phantom 2040 | Unknown | 1994-09-18 |
| Series | Fantastic Four | Unknown | 1994-09-24 |
| Series | Touched by an Angel | Unknown | 1994-09-21 |
| Series | Chicago Hope | Unknown | 1994-09-18 |
| Series | Home Free | Ben Brookstone | 1993-03-31 |
| Movie | Invisible: The Chronicles of Benjamin Knight | Dr. Knox | 1993-06-01 |
| Series | Bonkers | Unknown | 1993-09-04 |
| Movie | Jonah | Jonah (voice) | 1992-01-01 |
| Movie | Absolute Strangers | Stevenson | 1991-04-14 |
| Movie | Child of Darkness, Child of Light | George Beavier | 1991-05-01 |
| Movie | Lucy & Desi: Before the Laughter | Arthur Lyons | 1991-02-10 |
| Series | Silk Stalkings | Unknown | 1991-11-07 |
| Series | The Legend of Prince Valiant | Merlin | 1991-09-03 |
| Series | The Wizard of Oz | 1990-09-08 | |
| Series | Quantum Leap | Unknown | 1989-03-26 |
| Series | Chip 'n' Dale Rescue Rangers | Unknown | 1989-03-04 |
| Series | Coach | Unknown | 1989-02-28 |
| Movie | Little Nemo: Adventures in Slumberland | Oomp (voice) | 1989-07-15 |
| Series | X-Men: Pryde of the X-Men | The Blob (voice) | 1989-09-16 |
| Movie | Blondie & Dagwood: Second Wedding Workout | Julius Dithers (voice) | 1989-11-01 |
| Movie | Fat Man and Little Boy | (voice) | 1989-10-20 |
| Movie | BraveStarr: The Legend | Handlebar / Outlaw Scuzz / Stampede (voice) | 1988-03-18 |
| Series | Slimer! and the Real Ghostbusters | 1988-09-10 | |
| Movie | Moving | Mr. Cadell | 1988-03-04 |
| Series | A Pup Named Scooby-Doo | 1988-09-10 | |
| Series | Murphy Brown | Unknown | 1988-11-14 |
| Movie | Scooby-Doo! and the Reluctant Werewolf | Mummy (voice) | 1988-11-13 |
| Series | Superman | Jonathan Kent (voice) | 1988-09-17 |
| Movie | Blondie & Dagwood | Julius C. Dithers (voice) | 1987-05-15 |
| Series | Bionic Six | Prof. Amadeus Sharp (voice) | 1987-04-19 |
| Series | BraveStarr | Diamondback / Handlebar / Outlaw Skuzz / Stampede | 1987-09-14 |
| Series | The Two Mrs. Grenvilles | Sam Rosenthal | 1987-02-08 |
| Series | DuckTales | Unknown | 1987-09-18 |
| Movie | The Smurfs: 'Tis the Season to Be Smurfy | Vanity Smurf / Doctor (voice) | 1987-12-13 |
| Series | Teenage Mutant Ninja Turtles | Unknown | 1987-12-14 |
| Series | Star Trek: The Next Generation | Unknown | 1987-09-28 |
| Movie | The Nativity | Wise Man (voice) | 1986-01-19 |
| Movie | Strong Medicine | Dr. Noah Townsend | 1986-01-01 |
| Movie | Skeletor's Revenge | Skeletor / Man-At-Arms / Cringer / Battle Cat / Melaktha / Cat Spy (voice) | 1986-01-01 |
| Series | Matlock | Unknown | 1986-03-03 |
| Series | Rambo: The Force of Freedom | 1986-04-14 | |
| Series | Ghostbusters | Merlin / Prime Evil / Fangster / Captain Long John Scarechrome / Airhead | 1986-09-08 |
| Series | Chuck Norris: Karate Kommandos | Kimo (voice) | 1986-09-15 |
| Series | L.A. Law | Unknown | 1986-09-15 |
| Movie | My Wicked, Wicked Ways: The Legend of Errol Flynn | Jerry Gersler | 1985-01-21 |
| Series | Mr. Belvedere | Unknown | 1985-03-15 |
| Movie | The Execution | Max Langbein | 1985-01-14 |
| Movie | He-Man and She-Ra: The Secret of the Sword | Skeletor / Man-at-Arms / Cringer / Battle Cat / Bald Rebel / Chef Alan (voice) | 1985-03-22 |
| Movie | He-Man and She-Ra: A Christmas Special | Skeletor / Man-At-Arms / Zipper (voice) | 1985-12-25 |
| Series | Wuzzles | Rhinokey / Crocosaurus (voice) | 1985-09-14 |
| Movie | The Pound Puppies | Barkerville (voice) | 1985-10-26 |
| Series | She-Ra: Princess of Power | Skeletor / Cringer / Announcer | 1985-09-09 |
| Movie | The NeverEnding Story | Rockbiter / Falkor / G'mork / Narrator (voice) | 1984-04-06 |
| Series | Night Court | Unknown | 1984-01-04 |
| Movie | The Smurfic Games | Vanity Smurf (voice) | 1984-05-20 |
| Series | Murder, She Wrote | Unknown | 1984-09-30 |
| Series | Challenge of the GoBots | 1984-10-29 | |
| Series | Who's the Boss? | Unknown | 1984-09-20 |
| Series | The Transformers | Unknown | 1984-10-06 |
| Series | Mama's Family | Unknown | 1983-01-22 |
| Movie | My Smurfy Valentine | (voice) | 1983-02-13 |
| Movie | Memorial Day | Stallings | 1983-11-23 |
| Series | He-Man and the Masters of the Universe | Skeletor / Battle Cat / Cringer / Man-at-Arms / Mer-Man / Buzz-Off (voice) | 1983-09-05 |
| Movie | The Smurfs: Baby's First Christmas | Vanity Smurf (voice) | 1983-11-12 |
| Movie | The Smurfs Springtime Special | Vanity Smurf (voice) | 1982-04-07 |
| Movie | Divorce Wars: A Love Story | Arthur Lazar | 1982-03-01 |
| Series | Knight Rider | Joe Lewis | 1982-09-26 |
| Series | St. Elsewhere | Unknown | 1982-10-26 |
| Movie | The Smurfs Christmas Special | (voice) | 1982-12-13 |
| Series | Foul Play | Unknown | 1981-01-26 |
| Series | The Kid Super Power Hour with Shazam! | Unknown | 1981-09-12 |
| Movie | Macbeth | Duncan | 1981-01-01 |
| Series | Gimme a Break! | Unknown | 1981-10-29 |
| Series | Trollkins | 1981-09-12 | |
| Series | Blackstar | 1981-09-19 | |
| Movie | Take It to the Limit | Narrator (voice) | 1980-03-01 |
| Series | The Plastic Man Comedy/Adventure Show | 1980-09-27 | |
| Movie | Private Benjamin | Rabbi | 1980-10-06 |
| Movie | You Can't Take it With You | FBI Man | 1979-05-16 |
| Series | Blind Ambition | George Simonson | 1979-05-20 |
| Series | The New Adventures of Flash Gordon | 1979-09-08 | |
| Series | Hart to Hart | Unknown | 1979-09-22 |
| Series | Scooby-Doo and Scrappy-Doo | Mr. Husai | 1979-09-22 |
| Series | Eischied | Captain Finnerty | 1979-09-21 |
| Movie | Record City | Blindman | 1978-02-08 |
| Movie | Peeping Times | Miles Rathbourne | 1978-01-25 |
| Movie | The Ghost of Flight 401 | Barton | 1978-02-18 |
| Series | Battle of the Planets | Commander Gorok/ additional voices | 1978-09-18 |
| Movie | To Kill a Cop | Capt. Finnerty | 1978-04-10 |
| Series | Vega$ | Unknown | 1978-09-20 |
| Movie | Tail Gunner Joe | Eisenhower Publicist | 1977-02-06 |
| Series | Washington: Behind Closed Doors | Simon Cappell | 1977-09-06 |
| Series | Lou Grant | Unknown | 1977-09-20 |
| Series | Shake, Rattle and Roll | Sidney Merciless | 1977-09-10 |
| Movie | Riding with Death | Dr. Arthur Hale | 1976-01-01 |
| Movie | Helter Skelter | Aaron Stovitz | 1976-04-01 |
| Series | Gemini Man | Unknown | 1976-05-10 |
| Movie | The Gentleman Tramp | Narrator | 1976-10-10 |
| Movie | Freaky Friday | Mr Joffert | 1976-12-17 |
| Series | Alice | Unknown | 1976-08-31 |
| Series | S.W.A.T. | Unknown | 1975-02-24 |
| Movie | Win, Place or Steal | Lt. Mannite | 1975-02-01 |
| Series | Barney Miller | Unknown | 1975-01-23 |
| Series | Big Eddie | 1975-08-23 | |
| Movie | The Lives of Jenny Dolan | Springfield | 1975-10-27 |
| Series | Fraidy Cat | Fraidy "Nine" Cat (voice) | 1975-09-06 |
| Movie | The Hindenburg | Albert Breslau | 1975-12-25 |
| Series | The Tom and Jerry Show | 1975-09-06 | |
| Series | The Ghost Busters | 1975-09-06 | |
| Movie | Murder Works Overtime | Canavan | 1974-04-01 |
| Series | Hong Kong Phooey | 1974-09-07 | |
| Series | Happy Days | Unknown | 1974-01-15 |
| Series | The Six Million Dollar Man | Dr. Rudy Wells | 1974-01-18 |
| Series | Valley of the Dinosaurs | 1974-09-07 | |
| Series | Harry O | Unknown | 1974-09-12 |
| Movie | Death Sentence | Lubell | 1974-10-02 |
| Series | Petrocelli | Unknown | 1974-09-11 |
| Movie | Westworld | Chief Supervisor | 1973-08-15 |
| Movie | The Thief Who Came to Dinner | Insurance Man | 1973-03-01 |
| Series | Speed Buggy | 1973-09-08 | |
| Movie | The Six Million Dollar Man: The Solid Gold Kidnapping | Dr. Rudy Wells | 1973-11-17 |
| Movie | What Are Best Friends For? | Dr. Otto Ludwig | 1973-12-18 |
| Movie | The Six Million Dollar Man: Wine, Women and War | Dr. Rudy Wells | 1973-10-20 |
| Series | Chase | Unknown | 1973-09-11 |
| Movie | The Groundstar Conspiracy | General Hackett | 1972-06-12 |
| Series | Temperatures Rising | Unknown | 1972-09-12 |
| Series | ABC Afterschool Special | Unknown | 1972-10-04 |
| Series | McCloud | Unknown | 1970-02-17 |
| Movie | Little Big Man | Major | 1970-12-23 |
| Movie | The Maltese Bippy | Adolph Springer | 1969-06-18 |
| Series | The Bill Cosby Show | Unknown | 1969-09-14 |
| Series | Scooby-Doo, Where Are You! | 1969-09-13 | |
| Series | My World and Welcome to It | Unknown | 1969-09-15 |
| Series | Medical Center | Unknown | 1969-09-24 |
| Series | The Name of the Game | Unknown | 1968-09-20 |
| Series | The Outsider | Unknown | 1968-09-18 |
| Movie | Star! | Andre Charlot | 1968-07-18 |
| Series | Hawaii Five-O | Unknown | 1968-09-20 |
| Movie | How to Save a Marriage and Ruin Your Life | Everett Bauer | 1968-01-17 |
| Series | Here Come the Brides | Unknown | 1968-09-25 |
| Series | Here's Lucy | Unknown | 1968-09-23 |
| Movie | Uptight | Unctuous Man in Arcade (uncredited) | 1968-12-28 |
| Series | Lancer | Unknown | 1968-09-24 |
| Series | The Mod Squad | Unknown | 1968-09-24 |
| Movie | In the Heat of the Night | Ted Appleton (uncredited) | 1967-08-02 |
| Series | He & She | Unknown | 1967-09-06 |
| Series | Ironside | Unknown | 1967-03-28 |
| Series | Judd for the Defense | Unknown | 1967-09-08 |
| Series | Mannix | Unknown | 1967-09-16 |
| Series | The High Chaparral | Unknown | 1967-09-10 |
| Series | Felony Squad | Unknown | 1966-09-12 |
| Series | That Girl | Unknown | 1966-09-08 |
| Movie | Gammera the Invincible | Dr. Contrare | 1966-12-15 |
| Series | I Spy | Benkovsky | 1965-09-15 |
| Series | Hogan's Heroes | Unknown | 1965-09-17 |
| Series | Get Smart | Unknown | 1965-09-18 |
| Series | The F.B.I. | Unknown | 1965-09-19 |
| Series | Bewitched | Unknown | 1964-09-17 |
| Series | The Andy Griffith Show | Unknown | 1960-10-03 |