 | Dean Martin als Bill Miller |
 | Jerry Lewis als Ted Rogers |
 | Polly Bergen als Mary Turner |
 | Marion Marshall als Genevieve 'Frecklehead' Tait |
 | Eddie Mayehoff als Leo Lyman |
 | Richard Erdman als Ben Bailey |
 | Frances Bavier als Mrs. Rogers |
 | Percy Helton als Sam Robertson (uncredited) |
 | Oliver Blake als Theater Manager (uncredited) |
 | Danny Borzage als Diner Patron (uncredited) |
| Morgan Brown als Wedding Guest / Audience Member (uncredited) |
 | Steve Carruthers als Audience Member (uncredited) |
| Danny Davenport als Sam Heinz (uncredited) |
 | Charles Evans als Mr. Sutherland (uncredited) |
 | Franklyn Farnum als Party Guest / Audience Member (uncredited) |
 | Tommy Farrell als Tommy (uncredited) |
| George Ford als Party Guest (uncredited) |
| Rudy Germane als Party Guest (uncredited) |
| Joe Gilbert als Wedding Guest (uncredited) |
 | Herschel Graham als Wedding Guest (uncredited) |
 | Don Haggerty als Mr. Winston (uncredited) |
| Robert Haines als Club Patron (uncredited) |
| Jerry Hausner als Al Borden (uncredited) |
 | Harry Hines als (uncredited) |
 | Shep Houghton als Club Patron (uncredited) |
 | Nolan Leary als Pops (uncredited) |
 | Norman Leavitt als Cabbie (uncredited) |
 | Freeman Lusk als Frank Darling (uncredited) |
 | Donald MacBride als Diner Proprietor (uncredited) |
 | Hank Mann als Stagehand (uncredited) |
 | Harold Miller als Audience Member (uncredited) |
 | Frank O'Connor als Sidewalk Passerby (uncredited) |
 | Monty O'Grady als Wedding Guest (uncredited) |
 | Eddie Parks als Mr. Dusick (uncredited) |
| Edwin Rochelle als Audience Member (uncredited) |
 | Michael Ross als Big Audience Member (uncredited) |
 | Jeffrey Sayre als Theatre Patron (uncredited) |
 | Charles Smith als Soda Jerk (uncredited) |
 | Cap Somers als Diner Patron (uncredited) |
 | Al Thompson als Audience Member (uncredited) |
 | Mary Treen als Ms. Regan (uncredited) |
| Hal B. Wallis | Producer |
| Norman Taurog | Director |
| Joseph J. Lilley | Original Music Composer |
| Daniel L. Fapp | Director of Photography |
| Franz Bachelin | Art Direction |
| Hal Pereira | Art Direction |
| Sam Comer | Set Decoration |
| Bertram C. Granger | Set Decoration |
| Fred F. Finklehoffe | Screenplay |
| Martin Rackin | Screenplay |
| Elwood Ullman | Additional Dialogue |
| Fred F. Finklehoffe | Story |
| Sid Silvers | Story |
| Gordon Jennings | Special Effects |
| Edith Head | Costume Design |
| Wally Westmore | Makeup Supervisor |
| Don McKay | Sound Recordist |
| Walter Oberst | Sound Recordist |
| Joseph J. Lilley | Music Director |
| Warren Low | Editor |
