| Peter Sellers | Jacques Clouseau |
| Elke Sommer | Maria Gambrelli |
| George Sanders | Benjamin Ballon |
| Herbert Lom | Charles Dreyfus |
| Tracy Reed | Dominique Ballon |
| Graham Stark | Hercule LaJoy |
| Moira Redmond | Simone |
| Vanda Godsell | Madame LaFarge |
| Maurice Kaufmann | Pierre |
| Ann Lynn | Dudu |
| Director | Blake Edwards |
| Producer | Blake Edwards; Cecil F. Ford |
| Writer | Marcel Achard; Harry Kurnitz |
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