| Kirk | 1995 | Stan Lee | TV Show |
| The Wayans Bros. | 1995 | Mr. Neidermeyer | TV Show |
| Aaahh!!! Real Monsters | 1994 | Cop #2, Shorty McGinty, Washington | TV Show |
| Burke's Law | 1994 | Marshall Gaines | TV Show |
| Duckman: Private Dick/Family Man | 1994 | | TV Show |
| The George Carlin Show | 1994 | Father Kevin | TV Show |
| I Yabba-Dabba Do! | 1993 | Additional Voices (voice, as Pat Harrington) | TV Movie |
| Diagnosis Murder | 1993 | Mr. Reese | TV Show |
| Round Trip to Heaven | 1992 | George | Movie |
| Hearts Are Wild | 1992 | Micky Nedmark | TV Show |
| Civil Wars | 1991 | Danny Zane | TV Show |
| Silk Stalkings | 1991 | Benny Lorenzo | TV Show |
| Street Justice | 1991 | Felker | TV Show |
| Yo Yogi! | 1991 | William Shakesbear | TV Show |
| Sydney | 1990 | Georgie | TV Show |
| The Trials of Rosie O'Neill | 1990 | Frank Madirosian | TV Show |
| Empty Nest | 1988 | 'Tornado' Mulvaney | TV Show |
| A Garfield Christmas Special | 1987 | Dad (voice, as Pat Harrington) | TV Show |
| Duet | 1987 | George | TV Show |
| Rowdies | 1986 | Calvin T. 'Rowdy' Harlan | TV Movie |
| Comedy Factory | 1985 | Max Brenner | TV Show |
| The Golden Girls | 1985 | John | TV Show |
| The Ray Bradbury Theater | 1985 | Robert | TV Show |
| Crazy Like a Fox | 1984 | | TV Show |
| Glitter | 1984 | Blake | TV Show |
| Murder, She Wrote | 1984 | Gunnar Globle, Lt. Lou Brickman, Nick Cullhane | TV Show |
| Who's the Boss? | 1984 | Dominic Burgozzi | TV Show |
| Hotel | 1983 | Jack Allen | TV Show |
| Between Two Brothers | 1982 | Russ Frazer | TV Movie |
| The Last Convertible | 1979 | Major Fred Goodman | TV Show |
| The Critical List | 1978 | Jimmy Regosi | TV Movie |
| Captain Caveman and the Teen Angels | 1977 | Additional Voices | TV Show |
| The Love Boat | 1977 | Dr. Milton Foster, Hank Vosnick, Prince Hassan | TV Show |
| Benny and Barney: Las Vegas Undercover | 1977 | Joey Gallion | TV Movie |
| Good Heavens | 1976 | Pete Benson | TV Show |
| The Pink Panther Laugh and a Half Hour and a Half Show | 1976 | Sgt. Deux Deux (voice), The Inspector | TV Show |
| Ellery Queen | 1975 | Mitchell McCully | TV Show |
| One Day at a Time | 1975 | Dwayne F. Schneider | TV Show |
| The Invisible Man | 1975 | Warden | TV Show |
| Fay | 1975 | Vic | TV Show |
| Let's Switch! | 1975 | Randy Colbert | TV Movie |
| Three to Get Ready | 1975 | Dwayne F. Schneider | TV Movie |
| Friends and Neighbors | 1975 | | TV Movie |
| The Nine Lives of Fritz the Cat | 1974 | | Movie |
| Kolchak: The Night Stalker | 1974 | Thomas Kitzmiller | TV Show |
| Police Woman | 1974 | Fred Blau | TV Show |
| The Healers | 1974 | Joe Tate | TV Movie |
| The Affair | 1973 | Frank (as Pat Harrington) | TV Movie |
| Savage | 1973 | Russell | TV Movie |
| Chase | 1973 | Nico | TV Show |
| Police Story | 1973 | Ray Boland | TV Show |
| The Addams Family | 1973 | | TV Show |
| The Girl with Something Extra | 1973 | Fred Fowler | TV Show |
| The New Perry Mason | 1973 | Lukas Dawes | TV Show |
| Faraday and Company | 1973 | Shanks | TV Show |
| Every Little Crook and Nanny | 1972 | Willie Shakespeare (as Pat Harrington) | Movie |
| The Candidate | 1972 | Dinner MC (uncredited) | Movie |
| Banacek | 1972 | Phil Ross | TV Show |
| Circle of Fear | 1972 | Mark Riceman | TV Show |
| The New Scooby-Doo Movies | 1972 | Additional Voices, Moe Howard | TV Show |
| The ABC Saturday Superstar Movie | 1972 | First Cyclone, Hi-Rise | TV Show |
| The New Temperatures Rising Show | 1972 | Tip Henry | TV Show |
| The Rookies | 1972 | Arnold Winkler | TV Show |
| Wait Till Your Father Gets Home | 1972 | Mr. Takamoto, Smilin' Sam, Tow Truck Driver | TV Show |
| Wednesday Night Out | 1972 | | TV Movie |
| Cade's County | 1971 | Eddie Collins | TV Show |
| McMillan & Wife | 1971 | Nino Mordanti, Preston Halsey | TV Show |
| Owen Marshall: Counselor at Law | 1971 | Charles Gianetta, DA Charlie Gianetta, DA Charlie Giannetta | TV Show |
| The New Andy Griffith Show | 1971 | Mr. Crawford | TV Show |
| The New Dick Van Dyke Show | 1971 | Fred Bishop | TV Show |
| Columbo | 1971 | Buddy Castle | TV Show |
| Nanny and the Professor | 1970 | Businessman | TV Show |
| The Interns | 1970 | John Snyder, Snyder | TV Show |
| The Most Deadly Game | 1970 | Lt. Riverton | TV Show |
| The Partridge Family | 1970 | Harry, Roger Harper | TV Show |
| 2000 Years Later | 1969 | Franchot | Movie |
| The Computer Wore Tennis Shoes | 1969 | Moderator (as Pat Harrington) | Movie |
| Love, American Style | 1969 | Alvin Doff (segment "Love and the Boss's Ex"), Bill Hanson (segment "Love and the Jealous Husband"), Dan | TV Show |
| Marcus Welby, M.D. | 1969 | Chris Rossi | TV Show |
| The Bold Ones: The Lawyers | 1969 | Mr. Cox | TV Show |
| The Courtship of Eddie's Father | 1969 | Peter Stowe | TV Show |
| The Pink Panther Show | 1969 | Inspector (voice) | TV Show |
| Mr. Deeds Goes to Town | 1969 | Tony Lawrence | TV Show |
| Carte Blanched | 1969 | Inspector (voice) | Short Film |
| French Freud | 1969 | Inspector (voice) | Short Film |
| Pierre and Cottage Cheese | 1969 | Inspector (voice) | Short Film |
| Aquaman | 1968 | Speedy, The Atom | TV Show |
| Here Come the Brides | 1968 | J. Montague Morgan | TV Show |
| The Outsider | 1968 | Borden, Mr. Wainwright | TV Show |
| Bear De Guerre | 1968 | Bear (voice), Inspector | Short Film |
| Cherche le phantom | 1968 | Inspector, Sergeant Deux-Deux (voice) | Short Film |
| La Feet's Defeat | 1968 | Inspector (voice) | Short Film |
| Le Ball and Chain Gang | 1968 | Inspector (voice) | Short Film |
| Le Great Dane Robbery | 1968 | Inspector (voice) | Short Film |
| London Derrière | 1968 | Inspector (voice) | Short Film |
| Les Miserobots | 1968 | Inspector (voice) | Short Film |
| Transylvania Mania | 1968 | Inspector (voice) | Short Film |
| Easy Come, Easy Go | 1967 | Judd Whitman (as Pat Harrington) | Movie |
| The President's Analyst | 1967 | Arlington Hewes (as Pat Harrington) | Movie |
| Captain Nice | 1967 | Arthur | TV Show |
| Good Morning, World | 1967 | Duke Vincent | TV Show |
| Journey to the Center of the Earth | 1967 | Alec McEwan, Lars, Torg | TV Show |
| The Flying Nun | 1967 | Harry | TV Show |
| The Superman/Aquaman Hour of Adventure | 1967 | Chrystal Man Officer, The Atom | TV Show |
| Bomb Voyage | 1967 | Inspector, Sergeant Deux-Deux (voice) | Short Film |
| Canadian Can-Can | 1967 | Inspector (voice) | Short Film |
| Crow De Guerre | 1967 | Inspector (voice) | Short Film |
| Le Bowser Bagger | 1967 | Inspector (voice) | Short Film |
| Le Cop on Le Rocks | 1967 | Inspector (voice) | Short Film |
| Le Escape Goat | 1967 | Inspector (voice) | Short Film |
| Le Pig-Al Patrol | 1967 | Inspector (voice) | Short Film |
| Le Quiet Squad | 1967 | Inspector (voice) | Short Film |
| Sacré Bleu Cross | 1967 | Inspector, Sergeant Deux-Deux (voice) | Short Film |
| Shooting of Caribou Lou, The | 1967 | Inspector (voice) | Short Film |
| Tour De Farce | 1967 | Inspector (voice) | Short Film |
| Napoleon Blown-Aparte | 1966 | Inspector, Sergeant Deux-Deux (voice) | Short Film |
| Ape Suzette | 1966 | Inspector, Sergeant Deux-Deux (voice) | Short Film |
| Cirrhosis of the Louvre | 1966 | Inspector, Sergeant Deux-Deux (voice) | Short Film |
| Cock-a-Doodle Deux-Deux | 1966 | Inspector, Sergeant Deux-Deux (voice) | Short Film |
| The Pique Poquette of Paris | 1966 | Inspector, Sergeant Deux-Deux (voice) | Short Film |
| Plastered in Paris | 1966 | Inspector, Sergeant Deux-Deux (voice) | Short Film |
| Reaux, Reaux, Reaux Your Boat | 1966 | Inspector, Sergeant Deux-Deux (voice) | Short Film |
| Sicque! Sicque! Sicque! | 1966 | Inspector, Sergeant Deux-Deux (voice) | Short Film |
| That's No Lady, That's Notre Dame | 1966 | Inspector, Sergeant Deux-Deux (voice) | Short Film |
| Toulouse La Trick | 1966 | Inspector (voice) | Short Film |
| Unsafe and Seine | 1966 | Inspector, Sergeant Deux-Deux (voice) | Short Film |
| F Troop | 1965 | B Wise | TV Show |
| Hank | 1965 | Rafael Mattera | TV Show |
| Run for Your Life | 1965 | Nick Cooper | TV Show |
| The Great De Gaulle Stone Operation | 1965 | Inspector, Sergeant Deux-Deux, Wight (voice) | Short Film |
| The Inspector | 1965 | Sgt. Deux-Deux, The Inspector, Wight (The Matzoriley Brothers) | TV Show |
| The Bing Crosby Show | 1964 | Ed | TV Show |
| The Man from U.N.C.L.E. | 1964 | Guido Panzini, Peter Sweet, Pierrot La Mouche | TV Show |
| The Munsters | 1964 | Sonny Harkness, Thatcher | TV Show |
| Kentucky Jones | 1964 | Harry Baron | TV Show |
| The Yellowbird | 1964 | | TV Movie |
| The Pink Panther | 1964 | | TV Show |
| Move Over, Darling | 1963 | District Attorney | Movie |
| The Wheeler Dealers | 1963 | Buddy Zack | Movie |
| Grindl | 1963 | Major Wiggins | TV Show |
| Mr. Novak | 1963 | Thomas Kelly | TV Show |
| The Littlest Hobo | 1963 | Brad Turman | TV Show |
| McHale's Navy | 1962 | Guido Panzini | TV Show |
| The Beverly Hillbillies | 1962 | Phil Gordon | TV Show |
| The Lucy Show | 1962 | Gordon Felson | TV Show |
| A.P.O. 923 | 1962 | Lt. Edward Jellicoe (as Pat Harrington) | TV Movie |
| Insight | 1960 | Bob, Fitz | TV Show |
| The NBC Comedy Hour | 1956 | Minor Role | TV Show |
| Alfred Hitchcock Presents | 1955 | The Insurance Man | TV Show |
| The Alcoa Hour | 1955 | Bartender | TV Show |
| The Elgin Hour | 1954 | Benny | TV Show |
| Make Room for Daddy | 1953 | Pat Hannigan | TV Show |
| The Motorola Television Hour | 1953 | | TV Show |
| The Plymouth Playhouse | 1953 | | TV Show |
| The Ford Theatre Hour | 1948 | | TV Show |
| Kraft Theatre | 1947 | | TV Show |
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