- H.R.H. Prince Peter of Greece
- technical advisor
- Robert Rossen
- presenter
- Michal Waszynski
- assistant to producer (as Michael Waszynski)
- Nadine Alari
- french voice dubbing: Claire Bloom (uncredited)
- Alan Arnold
- publicist (uncredited)
- Jean Berton
- french voice dubbing: Peter Cushing (uncredited)
- Claude Bertrand
- french narrator (uncredited)
- Angelica Bohm
- director's secretary (uncredited)
- Rosetta Calavetta
- italian voice dubbing: Marisa de Leza (uncredited)
- Giorgio Capecchi
- italian voice dubbing: Niall MacGinnis (uncredited)
- Marc Cassot
- french voice dubbing: Larry Taylor & Peter Wyngarde (uncredited)
- Gérald Castrix
- french voice dubbing: William Squire (uncredited)
- Jean-Henri Chambois
- french voice dubbing: Stanley Baker (uncredited)
- Dhia Cristiani
- italian voice dubbing: Claire Bloom (uncredited)
- Jean Davy
- french voice dubbing: Michael Hordern (uncredited)
- André Falcon
- french voice dubbing: Gustavo Rojo (uncredited)
- Yves Furet
- french voice dubbing: Helmut Dantine (uncredited)
- Nando Gazzolo
- italian voice dubbing: Peter Cushing (uncredited)
- Flaminia Jandolo
- italian voice dubbing: Carmen Carulla (uncredited)
- Jean-Louis Jemma
- french voice dubbing: Virgilio Teixeira (uncredited)
- Christopher Lee
- english voice dubbing: Helmut Dantine (uncredited)
- Pino Locchi
- italian voice dubbing: Gustavo Rojo (uncredited)
- Augusto Marcacci
- italian voice dubbing: Barry Jones (uncredited)
- Jean Marchat
- french voice dubbing: Harry Andrews (uncredited)
- Brenda Martin
- publicity secretary (uncredited)
- Jean Martinelli
- french voice dubbing: Fredric March (uncredited)
- Rosemary Mathews
- production secretary (uncredited)
- Jean-Claude Michel
- french voice dubbing: Richard Burton (uncredited)
- Pierre Morin
- french voice dubbing: Niall MacGinnis (uncredited)
- Hubert Noël
- french voice dubbing: Rubén Rojo (uncredited)
- Catherine O'Brien
- unit publicist (uncredited)
- Glauco Onorato
- italian voice dubbing: Virgilio Teixeira (uncredited)
- David Paltenghi
- choreographer (uncredited)
- Giulio Panicali
- italian voice dubbing: Stanley Baker & Rubén Rojo (uncredited)
- Luigi Pavese
- italian voice dubbing: Fredric March (uncredited)
- Bruno Persa
- italian voice dubbing: Harry Andrews & Michael Hordern (uncredited)
- Mario Pisu
- italian voice dubbing: William Squire (uncredited)
- Robert Rietty
- english voice dubbing: Gustavo Rojo (uncredited)
- Giuseppe Rinaldi
- italian voice dubbing: Richard Burton (uncredited)
- Raymond Rognoni
- french voice dubbing: Barry Jones (uncredited)
- Carol Eve Rossen
- director's secretary (uncredited)
- Martine Sarcey
- french voice dubbing: Teresa del RÃo (uncredited)
- Lydia Simoneschi
- italian voice dubbing: Danielle Darrieux (uncredited)
- Renato Turi
- italian voice dubbing: Peter Wyngarde (uncredited)
- Marc Valbel
- french voice dubbing: Julio Peña (uncredited)
- Tadeo Villalba
- production assistant (uncredited)
- Friedrich von Ledebur
- horse master (uncredited)
- Claude Winter
- french voice dubbing: Marisa de Leza (uncredited)