 | Peter Sellers | | Chief Insp. Jacques Clouseau |
| Herbert Lom | | Chief Insp. Charles Dreyfus |
| Burt Kwouk | | Cato Fong |
| Dyan Cannon | | Simone Legree |
| Robert Webber | | Philippe Douvier |
| Tony Beckley | | Guy Algo |
| Robert Loggia | | Al Marchione |
| Paul Stewart | | Julio Scallini |
| André Maranne | | Sgt. François Chevalier |
| Graham Stark | | Dr. Auguste Balls |
| Alfie Bass | | Fernet |
| Sue Lloyd | | Claude Russo |
| Danny Schiller | | Cunny |
| Douglas Wilmer | | Police Commissioner |
| Ferdy Mayne | | Dr. Paul Laprone |
| Charles Augins | | Vic Vancouver |
| Irvin Allen | | Haig & Haig |
| Robert La Bassiere | | Haig & Haig |
| John Wyman | | Telly Toledo |
| Lon Satton | | Sam Spade and the Private Eyes |
| Rosita Yarboy | | Sam Spade and the Private Eyes |
| Keith Hodiak | | Sam Spade and the Private Eyes |
| Pepsi Maycock | | Sam Spade and the Private Eyes |
| Elisabeth Welch | | Mrs. Wu |
| Valerie Leon | | Tanya |
| Anthony Chinn | | Chinese Doorman |
| Kristopher Kum | | Chinese Businessman |
| Maureen Tann | | Chinese Lady of Easy Virtue |
| Me Me Lai | | Chinese Lady of Easy Virtue |
| Jacqui Simm | | Chinese Lady of Easy Virtue |
| Fiesta Mei Ling | | Chinese Lady of Easy Virtue |
| Adrienne Corri | | Therese Douvier |
| Alec Bregonzi | | Douvier's Boardmember |
| Arnold Diamond | | Douvier's Boardmember |
| John G. Heller | | Douvier's Boardmember |
| David King | | Douvier's Boardmember |
| Steve Plytas | | Douvier's Boardmember |
| Fredric Abbott | | Douvier's Soldier |
| Norman Hartley | | Douvier's Soldier |
| Paul Antrim | | Lookout |
