| Kid Quick | 2000 | Kid Quick | Short Film |
| The Strip | 1999 | Orson Bates | TV Show |
| Becker | 1998 | Richard Wilson | TV Show |
| The Hughleys | 1998 | Mr. Crump | TV Show |
| The New Addams Family | 1998 | Grandpapa Addams | TV Show |
| The Wild Thornberrys | 1998 | Pingah, The Great Bangaboo | TV Show |
| Johnny Bravo | 1997 | Blind Man, Uberman (Scientist #1) | TV Show |
| Recess | 1997 | Hank the Janitor, Supt. Skinner | TV Show |
| The Frighteners | 1996 | The Judge | Movie |
| The Spooktacular New Adventures of Casper | 1996 | | TV Show |
| Homeboys in Outer Space | 1996 | Rhymer | TV Show |
| Quack Pack | 1996 | Mr. Roborson | TV Show |
| Harrison Bergeron | 1995 | Golf Announcer (uncredited) | TV Movie |
| Pinky and the Brain | 1995 | Grover Whalen | TV Show |
| Huck and the King of Hearts | 1994 | Zach | Movie |
| The Silence of the Hams | 1994 | The Ranger | Movie |
| Aaahh!!! Real Monsters | 1994 | Doctor | TV Show |
| Aladdin | 1994 | Sydney | TV Show |
| Burke's Law | 1994 | Alexander the Great | TV Show |
| Duckman: Private Dick/Family Man | 1994 | Terry Duke Tetzloff | TV Show |
| Rebel Highway | 1994 | Fred - Minute Man 1 | TV Show |
| Bonkers | 1993 | The Mole | TV Show |
| Problem Child | 1993 | Additional Voices, General Pierre Habib-Johnson | TV Show |
| The Adventures of Brisco County, Jr. | 1993 | Prof. Albert Wickwire | TV Show |
| The Nanny | 1993 | Dr. Roberts | TV Show |
| Mad About You | 1992 | John Astin | TV Show |
| The Addams Family | 1992 | Gomez, Gomez Addams | TV Show |
| Hearts Are Wild | 1992 | Frank Sawyer | TV Show |
| Killer Tomatoes Eat France! | 1991 | Professor Mortimer Gangreen | Movie |
| Eerie, Indiana | 1991 | Radford | TV Show |
| Step by Step | 1991 | George Humphries | TV Show |
| Taz-Mania | 1991 | Bull Gator | TV Show |
| Past Imperfect | 1991 | Dad | TV Movie |
| Gremlins 2: The New Batch | 1990 | Janitor | Movie |
| Killer Tomatoes Strike Back! | 1990 | Jeronahew, Professor Mortimer Gangreen | Movie |
| Attack of the Killer Tomatoes | 1990 | Dr. Putrid T. Gangreen | TV Show |
| They Came from Outer Space | 1990 | Neville Nessen | TV Show |
| Night Life | 1989 | Verlin Flanders | Movie |
| Father Dowling Mysteries | 1989 | Manager of Gun Club | TV Show |
| Tales from the Crypt | 1989 | Nelson Halliwell | TV Show |
| The Saint: The Blue Dulac | 1989 | George Lafosse | TV Movie |
| Return of the Killer Tomatoes! | 1988 | Professor Gangreen | Movie |
| Adventures Beyond Belief | 1988 | Jack | TV Show |
| Teen Wolf Too | 1987 | Dean Dunn | Movie |
| The Charmings | 1987 | Jack, The Devil | TV Show |
| Body Slam | 1986 | Scotty | Movie |
| National Lampoon's European Vacation | 1985 | Pig in a Poke Host - Kent | Movie |
| Mary | 1985 | Ed LaSalle | TV Show |
| Otherworld | 1985 | Akin | TV Show |
| Charles in Charge | 1984 | Uncle Joe | TV Show |
| Murder, She Wrote | 1984 | Fritz Randall, Harry Pierce, Ross Hayley | TV Show |
| Night Court | 1984 | Buddy Ryan, Kenny | TV Show |
| Riptide | 1984 | Baxter Bernard | TV Show |
| Webster | 1983 | Uncle Charles | TV Show |
| St. Elsewhere | 1982 | Kevin | TV Show |
| Simon & Simon | 1981 | Uncle Ray Simon | TV Show |
| The Facts of Life | 1979 | Vito Miles | TV Show |
| Diff'rent Strokes | 1978 | C.W. | TV Show |
| Halloween with the New Addams Family | 1977 | Gomez Addams | TV Movie |
| Captain Caveman and the Teen Angels | 1977 | Additional Voices | TV Show |
| Fantasy Island | 1977 | Charles Preston | TV Show |
| Operation Petticoat | 1977 | Lt. Cmdr. Matthew Sherman | TV Show |
| The Love Boat | 1977 | David P. Crothers, Michael Sawyer | TV Show |
| Freaky Friday | 1976 | Mr. Andrews | Movie |
| Lanigan's Rabbi | 1976 | Myron Kapstein | TV Show |
| Phillip and Barbara | 1976 | Phillip Logan | TV Movie |
| The Bob Crane Show | 1975 | Lowen | TV Show |
| Welcome Back, Kotter | 1975 | Mr. Gore | TV Show |
| The Dream Makers | 1975 | Manny Wheeler | TV Movie |
| Get Christie Love! | 1974 | Quinn | TV Show |
| Police Woman | 1974 | Donny | TV Show |
| Only with Married Men | 1974 | Dr. Harvey Osterman | TV Movie |
| Skyway to Death | 1974 | Andrew Tustin | TV Movie |
| Police Story | 1973 | Dr. Milford | TV Show |
| The Wide World of Mystery | 1973 | Greenburg | TV Show |
| The Brothers O'Toole | 1973 | Desperate Ambrose Littleberry, Michael O'Toole | Movie |
| Every Little Crook and Nanny | 1972 | Garbugli | Movie |
| Get to Know Your Rabbit | 1972 | Mr. Turnbull | Movie |
| Evil Roy Slade | 1972 | Evil Roy Slade | TV Movie |
| Circle of Fear | 1972 | Fred Colby | TV Show |
| The New Scooby-Doo Movies | 1972 | Gomez Addams | TV Show |
| The New Temperatures Rising Show | 1972 | Russo | TV Show |
| Wacky Taxi | 1972 | Pepper | Movie |
| The ABC Afternoon Playbreak | 1972 | Dr. Irv Kellerman | TV Show |
| Bunny O'Hare | 1971 | Ad O'Hare | Movie |
| McMillan & Wife | 1971 | Sykes | TV Show |
| Two on a Bench | 1971 | Dr. Stanley Remington | TV Movie |
| Arnie | 1970 | Salesman | TV Show |
| The Odd Couple | 1970 | Beau Buffingham | TV Show |
| The Partridge Family | 1970 | Millionaire Sidney Rose | TV Show |
| Viva Max | 1969 | Sergeant Valdez | Movie |
| Love, American Style | 1969 | Alfred (segment "Love and the Intruder"), Charlie Mancini (segment "Love and the Happy Medium"), Rex Bickers (segment "Love and the Newscasters") | TV Show |
| Marcus Welby, M.D. | 1969 | Martin Gannard | TV Show |
| Night Gallery | 1969 | Jonathan (segment "Pamela's Voice"), Munsch, Randy Miller (segment "Hell's Bells") | TV Show |
| Candy | 1968 | Jack Christian, T.M. Christian | Movie |
| The Doris Day Show | 1968 | Jim Keatley | TV Show |
| Prelude | 1968 | | Short Film |
| The Spirit Is Willing | 1967 | Dr. Frieden | Movie |
| He & She | 1967 | Dr. Melvin Krillman | TV Show |
| The Flying Nun | 1967 | Father Lundigan | TV Show |
| CBS Playhouse | 1967 | Perry Clark | TV Show |
| Sheriff Who | 1967 | Roy Slade | TV Movie |
| Batman | 1966 | The Riddler | TV Show |
| Hey, Landlord | 1966 | Emile Kuchek | TV Show |
| Occasional Wife | 1966 | Frank Maston | TV Show |
| Star Trek | 1966 | Capt. John Daley | TV Show |
| The Phyllis Diller Show | 1966 | Rudy Pruitt | TV Show |
| The Wild Wild West | 1965 | Count Nikolai Sazanov | TV Show |
| The Addams Family | 1964 | Gomez Addams | TV Show |
| Destry | 1964 | Pete Daley | TV Show |
| Move Over, Darling | 1963 | Clyde Prokey | Movie |
| The Wheeler Dealers | 1963 | Hector Vanson | Movie |
| The Farmer's Daughter | 1963 | Joe Hastings | TV Show |
| The Greatest Show on Earth | 1963 | Bartley | TV Show |
| Billy Rose's Jumbo | 1962 | Pilot (uncredited) | Movie |
| Period of Adjustment | 1962 | Smoky Anderson (uncredited) | Movie |
| That Touch of Mink | 1962 | Mr. Everett Beasley | Movie |
| I'm Dickens, He's Fenster | 1962 | Harry Dickens | TV Show |
| The Virginian | 1962 | Slick Driscoll | TV Show |
| West Side Story | 1961 | Glad Hand (uncredited) | Movie |
| 87th Precinct | 1961 | Cassidy | TV Show |
| Ben Casey | 1961 | Nat Morris | TV Show |
| Hazel | 1961 | Hal Gordon | TV Show |
| The Asphalt Jungle | 1961 | Arnold Penn | TV Show |
| The Gertrude Berg Show | 1961 | Dr. Carmichael | TV Show |
| The Pusher | 1960 | Detective | Movie |
| Checkmate | 1960 | Jim Poole | TV Show |
| Harrigan and Son | 1960 | Benson | TV Show |
| Insight | 1960 | Alex Grubb, Harry, Patrick Grogan | TV Show |
| Michael Shayne | 1960 | Mr. Woods | TV Show |
| Outlaws | 1960 | Pete | TV Show |
| Route 66 | 1960 | Benson, Gas Attendant | TV Show |
| Peter Loves Mary | 1960 | Joe | TV Show |
| Bonanza | 1959 | Abner Willoughby | TV Show |
| Dennis the Menace | 1959 | Policeman | TV Show |
| Hennesey | 1959 | Hotel Clerk | TV Show |
| The Twilight Zone | 1959 | Charlie | TV Show |
| 77 Sunset Strip | 1958 | Martin Grosch | TV Show |
| Shirley Temple's Storybook | 1958 | The Coachman | TV Show |
| The Donna Reed Show | 1958 | Eric | TV Show |
| The Kiss | 1958 | Male Necker | Short Film |
| Maverick | 1957 | Joe Lambert | TV Show |
| Gunsmoke | 1955 | Hard-Luck Henry Haggen | TV Show |
| The Magical World of Disney | 1954 | Neil Witherspoon | TV Show |
| G.E. True Theater | 1953 | Harlow | TV Show |
| Death Valley Days | 1952 | Jesse Martin | TV Show |
| Studio One in Hollywood | 1948 | Reporter | TV Show |
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