| Title | Year | Status | Character |
|---|
| Flaming Frontier | 1958 | | Bradford |
| Hawkeye and the Last of the Mohicans | 1957 | TV Series | Happy Jack Sealy / Turner / Simmons |
| The Barris Beat | 1956 | TV Series | Regular |
| Wayne and Shuster | 1954 | TV Series | Various (1954-1958) |
| Howdy Doody | 1954 | TV Series | Cap'n Scuttlebutt / Flub-a-Dub |
| Ad and Lib | 1954 | TV Series | Lib |
| Let's See | 1952 | TV Series | Regular |
| Homefront | 1991 | TV Series | Eddie |
| Equal Justice | 1990-1991 | TV Series | Judge Richard Shelton / Judge C.E. Boyd |
| Love, Lies and Murder | 1991 | TV Movie | Parole Board Member #1 |
| MacGyver | 1985-1990 | TV Series | Capt. Ion Cuzo / Daniel Sims |
| Hill Street Blues | 1983-1985 | TV Series | Judge Lee Oberman |
| The New Leave It to Beaver | 1984-1985 | TV Series | Fred Rutherford / Fred Rutheford |
| The New Scooby and Scrappy-Doo Show | 1983 | TV Series voice | |
| Hangin' In | 1983 | TV Series | Sam Gold |
| Dennis the Menace in Mayday for Mother | 1981 | TV Short | George Wilson (voice) |
| The Dukes of Hazzard | 1981 | TV Series | Boss J. W. Hickman |
| A Snow White Christmas | 1980 | TV Movie | Mirror (voice) |
| The Octagon | 1980 | | Tibor |
| California Fever | 1979 | TV Series | Goldman |
| ABC Weekend Specials | 1978-1979 | TV Series | |
| The New Misadventures of Ichabod Crane | 1979 | TV Movie | Rip van Winkle (voice) |
| Crane Brained | 1978 | Short | Crazy Legs Crane |
| Life with Feather | 1978 | Short | Crazy Legs Crane |
| The All New Pink Panther Show | 1978 | TV Series | Crazylegs Crane (voice) |
| How the West Was Won | 1978 | TV Mini-Series | Mr. Pennington / Pennington |
| Quincy M.E. | 1978 | TV Series | Dr. Jones |
| Columbo | 1978 | TV Series | Albert |
| Sabrina, Super Witch | 1977 | TV Series | Uncle Ambrose (voice) |
| Rosetti and Ryan | 1977 | TV Series | Sachs |
| Pony Express Rider | 1976 | | Blackmore |
| The Pink Panther Laugh and a Half Hour and a Half Show | 1976 | TV Series | Fester / Crazywolf (voice) |
| Baretta | 1975 | TV Series | T-Bone |
| Walt Disney's Wonderful World of Color | 1966-1975 | TV Series | Halper / The Marshall / Sheriff / ... |
| Mother Dogfather | 1974 | Short | Crazylegs Crane (voice) |
| Oliver Twist | 1974 | voice | |
| Black Eye | 1974 | | Avery (as Larry Mann) |
| Mesa Trouble | 1974 | Short | Townspeople (voice, as Larry Mann) |
| Saddle Soap Opera | 1974 | Short | Judge Sayabe / Hotel Clerk (voice, as Larry Mann) |
| Big Beef at the O.K. Corral | 1974 | Short | Billy the Kidder (voice, as Larry Mann) |
| By Hoot or by Crook | 1974 | Short | The Fox / Coach Driver / Guard (voice) |
| The Badge and the Beautiful | 1974 | Short | Townspeople / Bartender / Priest / ... (voice, as Larry Mann) |
| Little Boa Peep | 1974 | Short | Blue Racer / Ant / Elephant / ... (voice) |
| Gold Struck | 1974 | Short voice, as Larry Mann | |
| Police Surgeon | -1974 | TV Series | Lt. Jack Gordon / Lt. Jack Morgan |
| Cotter | 1973 | | |
| Treasure Island | 1973 | | Doctor Livesey (voice) |
| The Sting | 1973 | | Train Conductor |
| Ten Miles to the Gallop | 1973 | Short | Crazywolf (voice, as Larry Mann) |
| Pay Your Buffalo Bill | 1973 | Short | Crazywolf / Big Red (voice, as Larry Mann) |
| Gunsmoke | 1968-1973 | TV Series | Prichard / Bakman |
| Aches and Snakes | 1973 | Short | Blue Racer / Crazylegs Crane (voice) |
| Snake Preview | 1973 | Short | Blue Racer / Crazylegs Crane / Bee (voice) |
| Oklahoma Crude | 1973 | | Deke Watson |
| Fowl Play | 1973 | Short | Blue Racer / Rooster / Chick / ... (voice) |
| Freeze a Jolly Good Fellow | 1973 | Short | Blue Racer / Bear / Flophouse Owner / ... (voice) |
| Blue Aces Wild | 1973 | Short | Blue Racer / Crazylegs Crane / Giraffe (voice) |
| Killarney Blarney | 1973 | Short | Blue Racer (voice) |
| Charley and the Angel | 1973 | | Felix |
| Wham and Eggs | 1973 | Short | Blue Racer (voice) |
| The New Temperatures Rising Show | 1973 | TV Series | Senator |
| The Boa Friend | 1973 | Short | Blue Racer / Calypso Bee / Homer (voice) |
| Kloot's Kounty | 1973 | Short | Crazywolf (voice, as Larry Mann) |
| Love, American Style | 1973 | TV Series | Sy (segment "Love and the Twanger Tutor") |
| Blue Racer Blues | 1972 | Short | Blue Racer (voice) |
| Yokahama Mama | 1972 | Short | Blue Racer / Hen / Baby Ostrich (voice) |
| Mod Squad | 1972 | TV Series | Harry Burns |
| Camera Bug | 1972 | Short | Blue Racer (voice) |
| Love and Hisses | 1972 | Short | Blue Racer / Elephant (voice) |
| Punch and Judo | 1972 | Short | Blue Racer (voice) |
| Hiss and Hers | 1972 | Short | Blue Racer (voice) |
| Nippon Tuck | 1972 | Short | Blue Racer (voice) |
| Get to Know Your Rabbit | 1972 | | Mr. Seager |
| Night Gallery | 1972 | TV Series | Hannify (segment "Deliveries in the Rear") |
| Dead Men Tell No Tales | 1971 | TV Movie | Sam Mirakian |
| Do Not Fold, Spindle or Mutilate | 1971 | TV Movie | Police Sergeant Lutz |
| The Strange Monster of Strawberry Cove | 1971 | TV Movie | Halper |
| Scandalous John | 1971 | | Bartender |
| A Leap in the Deep | 1971 | Short | Crazylegs Crane / Toad (voice) |
| Fastest Tongue in the West | 1971 | Short | Cactus Kidd / Sheriff (voice) |
| The Egg and Ay-Yi-Yi! | 1971 | Short | Crazylegs Crane / Older Bird (voice) |
| Green Acres | 1970-1971 | TV Series | Lawrence David / Mr. Wheeler / Sam Fogel |
| Bonanza | 1971 | TV Series | Alex Steiner |
| Two Jumps and a Chump | 1971 | Short | Crazylegs Crane (voice) |
| Snake in the Gracias | 1971 | Short | Crazylegs Crane / Blue Racer (voice) |
| The Wild Country | 1970 | | The Marshal (uncredited) |
| The High Chaparral | 1970 | TV Series | Tobin Boggs |
| There Was a Crooked Man... | 1970 | | Harry |
| Sabrina and the Groovie Goolies | 1970 | TV Series | Dr. Hyde / Boneapart / Batso |
| The Liberation of L.B. Jones | 1970 | | Grocer |
| Ironside | 1970 | TV Series | John Barnesworth |
| Go for Croak | 1969 | Short | Crazylegs Crane (voice) |
| Bewitched | 1965-1969 | TV Series | Harold Bartenbach / Oscar Durfee / Colonel Burkett / ... |
| Here Comes the Grump | 1969 | TV Series voice | |
| Angel in My Pocket | 1969 | | Bishop Morenschild |
| Here Come the Brides | 1968-1969 | TV Series | Ashley / Judge Cody |
| It Takes a Thief | 1968-1969 | TV Series | Achille Morales / Dedier |
| Hogan's Heroes | 1966-1969 | TV Series | Illyich Igor Zagoskin / SS General Brenner / Doctor Vanetti |
| The Name of the Game | 1969 | TV Series | Max Korbell |
| The Guns of Will Sonnett | 1968 | TV Series | Mort Lucas |
| Felony Squad | 1966-1968 | TV Series | Ham / Jake Krebs |
| Bullitt | 1968 | | Voice (uncredited) |
| Mannix | 1968 | TV Series | Orlando Quinn |
| The Second Hundred Years | 1968 | TV Series | General Small |
| Accidental Family | 1967-1968 | TV Series | Marty Warren |
| The Wicked Dreams of Paula Schultz | 1968 | | Grossmeyer |
| He & She | 1967 | TV Series | Mr. McManus |
| In the Heat of the Night | 1967 | | Watkins |
| The Perils of Pauline | 1967 | | Prince Benji's Father (uncredited) |
| Rough Night in Jericho | 1967 | | Purley (uncredited) |
| Dragnet 1967 | 1967 | TV Series | Pete Benson |
| Caprice | 1967 | | Inspector Kapinsky |
| The Man from U.N.C.L.E. | 1966-1967 | TV Series | Jonathan Trumbull / Arnold Fairbanks / Blodgett |
| Hey, Landlord | 1967 | TV Series | Dr. Riggleby |
| I Spy | 1967 | TV Series | Arbuckle |
| The Green Hornet | 1967 | TV Series | Dr. Eric Mabouse |
| Rango | 1967 | TV Series | |
| A Covenant with Death | 1967 | | Chillingworth |
| Captain Nice | 1967 | TV Series | Sheik Abdul |
| Get Smart | 1966 | TV Series | Victor Slade |
| Iron Horse | 1966 | TV Series | Kellam |
| The Swinger | 1966 | | John Mallory |
| The Appaloosa | 1966 | | Priest |
| The Daydreamer | 1966 | as Larry Mann | |
| The Russians Are Coming the Russians Are Coming | 1966 | | Man with Cat who mentions 'hostages' (uncredited) |
| The Singing Nun | 1966 | | Mr. Duvries |
| Honey West | 1965-1966 | TV Series | Willis Van Wyck / Tripp - Bald Man |
| Run for Your Life | 1966 | TV Series | Dr. Albert Mann |
| My Favorite Martian | 1965-1966 | TV Series | Butterball / Fat Man |
| Instant French | 1965 | Short | |
| Ben Casey | 1965 | TV Series | Joe Ricci |
| The Big Valley | 1965 | TV Series | Jacob Kyles |
| Burke's Law | 1965 | TV Series | Maximillian Darvas |
| Harlow | 1965/I | | Editor (uncredited) |
| Willy McBean and His Magic Machine | 1965 | | Professor Von Rotten (voice, as Larry Mann) |
| Rudolph, the Red-Nosed Reindeer | 1964 | TV Movie | Yukon Cornelius (voice, as Larry Mann) |
| Kisses for My President | 1964 | | Tour Guide (uncredited) |
| Robin and the 7 Hoods | 1964 | | Workman (uncredited) |
| Return to Oz | 1964 | TV Movie | Rusty (the Tin Man) (voice, as Larry Mann) |
| Playdate | 1964 | TV Series | Mr. Black |
| Spencer's Mountain | 1963 | | Spencer Brother (uncredited) |
| The Quick and the Dead | 1963 | | Parker |
| The Gallant Men | 1962 | TV Series | Capt. Baer |
| The New Breed | 1962 | TV Series | Metro Squad Officer |
| Tales of the Wizard of Oz | 1961 | TV Series | Rusty the Tin Man (voice, uncredited) |
| The New Adventures of Pinocchio | 1960 | TV Series | Foxy Q. Fibble (1960-1961) (voice) |
| The Unforeseen | 1960 | TV Series | |
| Midnight Zone | 1960 | TV Series | Host |
| Encounter | 1960 | TV Series | |
| The Man and the Challenge | 1960 | TV Series | Jim Fitzpatrick |
| Cannonball | 1959 | TV Series | Manny |
| The Adventures of Chich | 1958 | TV Series | Host |
$400,000