- Paolo Gozlino
- Lord Alex Burman / Flashman (as Paul Stevens)
- Claudie Lange
- Alika
- Ivano Staccioli
- Kid
- Jack Ary
- Inspector Baxter
- Micaela Pignatelli
- Nevenka
- Anne Marie Williams
- Sheila
- Seyna Seyn
- Flower
- Emilio Messina
- Kid's Henchman
- Dada Gallotti
- Member of the Counterfeit Gang
- Sidi Del Burgo
- Maharajah
- Marisa Traversi
- Melina
- Gaston Cekani
- Commissioner Legrand
- Sarah Ross
- Member of the Counterfeit Gang
- Giulio Tomei
- Prof. Phillips
- Mirella Pamphili
- (credit only)
- Valentino Macchi
- (as Robert Stevenson) (credit only)
- Artemio Antonini
- Kid Henchman
- Bruno Ariè
- Kid Henchman
- Fulvio Mingozzi
- Police Sergeant
- Alessandro Tedeschi
- Bank of Ireland Employee