| I. Cheatham | Brian O'Hara | THREE PESTS IN A MESS (1945) |
| I. Fleecem | Vernon Dent | HEAVENLY DAZE (1948) |
| I. Fleecem | Vernon Dent | BEDLAM IN PARADISE (1955) |
| I. Katchum | Tom Kennedy | 'FRAIDY CAT (1951) |
| I. Katchum | Tom Kennedy | HOOK A CROOK (1955) |
| I. Peek | Donald MacBride | WRONG, WRONG TRAIL, THE (1934) |
| Icabod Slipp | Kenneth MacDonald | HOLD THAT LION! (1947) |
| Icabod Slipp | Kenneth MacDonald | LOOSE LOOT (1953) |
| Ice Cold Katy | Rita Christiani | THANK YOUR LUCKY STARS (1943) |
| Ice Cold Katy number | Madame Sul-Te-Wan | THANK YOUR LUCKY STARS (1943) |
| Ice cream customers | Unidentified BOOBY DUPES 3 | BOOBY DUPES (1945) |
| Ice cream man | Borrah Minevitch | I SCREAM (1934) |
| Ice cream men | The Harmonica Rascals | I SCREAM (1934) |
| Ice cream truck driver | Pat Gleason | VIOLENT IS THE WORD FOR CURLY (1938) |
| Ice cream vendor | Snub Pollard | BOOBY DUPES (1945) |
| Ice cream vendor | Hubert Diltz | MR. NOISY (1946) |
| Ice customer | Dorothy Vernon | ACHE IN EVERY STAKE, AN (1941) |
| Ice customer | Victor Travers | ACHE IN EVERY STAKE, AN (1941) |
| Igor the Gorilla | Art Miles | BIRD IN THE HEAD, A (1946) |
| Iman the Holy One | Richard Hale | DESERT HAWK, THE (1950) |
| Immigration officer | Ed Gargan | BOMBSHELL (1933) |
| Immigration officer | James Burke | BOMBSHELL (1933) |
| Immigration officer | Charles Cane | GENTLEMAN MISBEHAVES, THE (1946) |
| Impersonator | Ben Frommer | CRAZY HOUSE (1943) |
| Impersonator | Ezelle Poule | CRAZY HOUSE (1943) |
| Ina Heath | Judith Barrett | GOOD OLD SOAK (1937) |
| Indian | Bert Young | BACK TO THE WOODS (1937) |
| Indian | Cy Schindell | BACK TO THE WOODS (1937) |
| Indian | Charles Dorety | BACK TO THE WOODS (1937) |
| Indian | Budd Fine | BACK TO THE WOODS (1937) |
| Indian | Blackie Whiteford | BACK TO THE WOODS (1937) |
| Indian | Sam Lufkin | BACK TO THE WOODS (1937) |
| Indian | Charlie Phillips | BACK TO THE WOODS (1937) |
| Indian | Cy Schindell | ROCKIN' THRU THE ROCKIES (1940) |
| Indian | John Tyrrell | ROCKIN' THRU THE ROCKIES (1940) |
| Indian | Richard Fiske | ROCKIN' THRU THE ROCKIES (1940) |
| Indian | Bert Young | ROCKIN' THRU THE ROCKIES (1940) |
| Indian | George E. Stone | ROAD SHOW (1941) |
| Indian | Charles Soldani | THANK YOUR LUCKY STARS (1943) |
| Indian | J. W. Cody | THANK YOUR LUCKY STARS (1943) |
| Indian | Charles Stevens | CORONER CREEK (1948) |
| Indian | Rodd Redwing | 4 FOR TEXAS (1963) |
| Indian brave | Dean Reisner | IT'S IN THE AIR (1935) |
| Indian Chief | Dick Curtis | ROCKIN' THRU THE ROCKIES (1940) |
| Indian father | Jim Thorpe | IT'S IN THE AIR (1935) |
| Indian thugs | Unidentified ...AROUND THE WORLD IN A DAZE 6 | THREE STOOGES GO AROUND THE WORLD IN A DAZE, THE (1963) |
| Indians | Unidentified THE OUTLAWS IS COMING 12 | OUTLAWS IS COMING, THE (1965) |
| Indians' customers | Unidentified IT'S IN THE AIR 8 | IT'S IN THE AIR (1935) |
| Induction | Unidentified BUCK PRIVATES 17 | BUCK PRIVATES (1941) |
| Induction Sergeant | Michael Ross | WHICH WAY TO THE FRONT? (1970) |
| Inmate | Harry Wilson | LAZY RIVER (1934) |
| Inmates | Unidentified LAZY RIVER 3 | LAZY RIVER (1934) |
| Innkeeper | Jerry Pyne | SNOW WHITE AND THE THREE STOOGES (1961) |
| Inspector | John McKee | HELEN MORGAN STORY, THE (1957) |
| Inspector Crane | Thurston Hall | LONE WOLF MEETS A LADY, THE (1940) |
| Inspector Crotchet | Maurice Dallimore | THREE STOOGES GO AROUND THE WORLD IN A DAZE, THE (1963) |
| Inspector Hugh Drake | Frederick Worlock | MURDER OVER NEW YORK (1940) |
| Inspector Madigan | Alan Ward | FRENCH KEY, THE (1946) |
| Inspector McCormick | Clive Morgan | HOT SCOTS, THE (1948) |
| Inspector McCormick | Clive Morgan | HOT ICE (1955) |
| Inspector Vance | Donald MacBride | MURDER OVER NEW YORK (1940) |
| Insurance adjuster | Vernon Dent | HOKUS POKUS (1949) |
| Insurance adjuster | Vernon Dent | FLAGPOLE JITTERS (1956) |
| Insurance company president | C. Montague Shaw | WINNING TICKET, THE (1935) |
| Insurance patient | Slim Gaut | GOLD RAIDERS (1951) |
| Intern | Constant Franke | PARIS INTERLUDE (1934) |
| Intern | Maurice Brierre | PARIS INTERLUDE (1934) |
| Intern | Arthur West | MEN IN BLACK (1934) |
| Intern | Charles Dorety | MEN IN BLACK (1934) |
| Intern | Joe Fine | MEN IN BLACK (1934) |
| Intern | Neal Burns | MEN IN BLACK (1934) |
| Intern | William Tannen | SPEED (1936) |
| Intern | George Chandler | SING, BABY, SING (1936) |
| Intern | Joseph Forte | OF HUMAN HEARTS (1938) |
| Intern | Phillip Terry | OF HUMAN HEARTS (1938) |
| Intern | Coulter Irwin | BLONDIE KNOWS BEST (1946) |
| Intern | James Douglas | HELEN MORGAN STORY, THE (1957) |
| Intern | Christian Metas | STOOGEMANIA (1986) |
| Intern with Anna Conda | Arthur Rankin | MEN IN BLACK (1934) |
| Interpreter | Bill Walker | AFRICA SCREAMS (1949) |
| Intersection patrolman | Paul Birch | IT'S A MAD, MAD, MAD, MAD WORLD (1963) |
| Intersection patrolman | Roy Engel | IT'S A MAD, MAD, MAD, MAD WORLD (1963) |
| Ira Jaffee | Lester Matthews | SAVAGE INTRUDER (1969) |
| Ira's chauffeur | Unidentified SAVAGE INTRUDER 3 | SAVAGE INTRUDER (1969) |
| Irate woman | Minerva Urecal | SIX LESSONS FROM MADAME LA ZONGA (1941) |
| Irena, scene deleted | Ferike Boros | DOUGHGIRLS, THE (1944) |
| Irene | Christine McIntyre | OPEN SEASON FOR SAPS (1944) |
| Irene Taylor | Irene Taylor | EVERYBODY LIKES MUSIC (1934) |
| Irish cop | Robert Homans | SWING PARADE OF 1946 (1946) |
| Irma Paramutual | Isobel Elsom | ERRAND BOY, THE (1961) |
| Irondome | Edgar Dearing | HOLD THAT GHOST (1941) |
| Ironhead | Casey Columbo | GRIPS, GRUNTS, AND GROANS (1937) |
| Ironhead's corner man | Bobby Callahan | GRIPS, GRUNTS, AND GROANS (1937) |
| Irritated woman in restaurant | Moyna McGill | SAILOR TAKES A WIFE, THE (1945) |
| IRS agent | Vernon Dent | INCOME TAX SAPPY (1954) |
| IRS Chief | Richard Tucker | IT'S IN THE AIR (1935) |
| Irwin | Marvin Kaplan | IT'S A MAD, MAD, MAD, MAD WORLD (1963) |
| Ishya | Burnu Acquanetta | ARABIAN NIGHTS (1942) |
| Italian chef | Gino Corrado | MY SISTER EILEEN (1942) |
| Italian diplomat | Unidentified EVERYBODY LIKES MUSIC 5 | EVERYBODY LIKES MUSIC (1934) |
| Italian man | Hector Sarno | MAN OF THE PEOPLE (1937) |
| Italian man | Genaro Spagnoli | MAN OF THE PEOPLE (1937) |
| Italian man | Agostino Borgato | MAN OF THE PEOPLE (1937) |
| Italian musician | Henry Armetta | HELLO POP (1933) |
| Italian restaurant | Unidentified MY SISTER EILEEN 9 | MY SISTER EILEEN (1942) |
| Italian soldier | Harry 'Zoup' Welsh | HERE COMES THE BAND (1935) |
| Italian woman | Minerva Urecal | HERE COMES THE BAND (1935) |
| Italian woman | Inez Palange | MAN OF THE PEOPLE (1937) |
| Italian woman | Nina Campana | MAN OF THE PEOPLE (1937) |
| Italian woman | Belle Mitchell | MAN OF THE PEOPLE (1937) |
| Itchy Kitchy | Iau Kea | THREE STOOGES GO AROUND THE WORLD IN A DAZE, THE (1963) |
| Itchy Smith | Pinky Lee | ONE EXCITING WEEK (1946) |
| Ivan / Shemp's stunt double | Ernie Stanton | CRACKED NUTS (1941) |
| Ivan Bustoff | Harrison Greene | GRIPS, GRUNTS, AND GROANS (1937) |
