 | Lucille Ball als Margaret Weldon |
 | Franchot Tone als William Weldon |
 | Edward Everett Horton als J.B. Cruikshank |
 | Mikhail Rasumny als Prof. Emil Glinka |
 | Gene Lockhart als Peter Winterbottom |
 | Nana Bryant als Mrs. Winterbottom |
 | Jonathan Hale als Gov. Fox |
 | Paul Stanton als Dr. Frazee |
 | Mabel Paige als Mrs. Josper |
 | Frank Mayo als Vice President Starrett |
 | Pierre Watkin als Vice President Beitler |
| S. Sylvan Simon | Director |
| Ben Hecht | Writer |
| Charles Lederer | Writer |
| Charles Lawton Jr. | Director of Photography |
| Al Clark | Editor |
| Stephen Goosson | Art Direction |
| Carl Anderson | Art Direction |
| Wilbur Menefee | Set Decoration |
| Louis Diage | Set Decoration |
| Earl McEvoy | Assistant Director |
| Jean Louis | Costume Design |
| Clay Campbell | Makeup Artist |
| Helen Hunt | Hairstylist |
| Frank Goodwin | Sound Recordist |
| George Duning | Original Music Composer |
| Morris Stoloff | Music Director |
| Raphael Hakim | Producer |
