Directed by
| Baccio Bandini | ... | (Italian version) |
| Etienne Périer | ... | (English version) |
Writing Credits
| Anthony Marshall | ... | (novel) |
| Michael Kanin | ... | (screenplay) & |
| Fay Kanin | ... | (screenplay) & |
| Alec Coppel | ... | (screenplay) & |
| Sandro Continenza | ... | (screenplay: Italian version) & |
| Dominique Fabre | ... | (screenplay: Italian version) |
Cast (in credits order) verified as complete
| Stewart Granger | ... | Thomas Stanswood | |
| Sylva Koscina | ... | Orietta Arconti | |
| Christine Kaufmann | ... | Serenella Arconti | |
| Riccardo Garrone | ... | Don Carlos | |
 |
Alberto Lupo | ... | Andrea Paresi |
| Marina Berti | ... | Countess of Osta | |
| Tullio Carminati | ... | Father Giacomo | |
| Claudio Gora | ... | Leoni | |
| Fanfulla | ... | Sanchez | |
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Giulio Marchetti | ... | Carlos' servant |
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Carlo Rizzo | ... | Gino |
| Ignazio Dolce | ... | (as Ignazio Dolci) | |
| Fausto Tozzi | ... | Hugo | |
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Tom Felleghy | ... | Capitano spagnolo (as Tom Felleghi) |
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Antonio Ricci | ... | Child |
| Mario Passante | |||
| Rest of cast listed alphabetically: | |||
| Loris Gizzi | ... | Councillor (uncredited) | |
Produced by
| Jacques Bar | ... | producer |
Music by
| Mario Nascimbene | ||
Cinematography by
| Tonino Delli Colli | ... | director of photography |
Editing by
| Monique Isnardon | ||
| Robert Isnardon | ||
| Renzo Lucidi | ... | (Italian version) |
Costume Design by
| Dario Cecchi | ... | (uncredited) |
Production Management
| Bianca Lattuada | ... | production manager (italian version) |
Second Unit Director or Assistant Director
| Gus Agosti | ... | second assistant director |
| Franco Cirino | ... | first assistant director: Italian version |
| Etienne Périer | ... | director: French version (as Etienne Perier) |
Art Department
| Alberto Boccianti | ... | production designer: Italian version |
| Franco Lolli | ... | production designer: Italian version |
| Giorgio Mecchia Madalena | ... | set decorator: Italian version |
Sound Department
| Kurt Doubrowsky | ... | recording supervisor |
Stunts
| Buddy Van Horn | ... | stunt double (uncredited) |
Camera and Electrical Department
| Franco Delli Colli | ... | camera operator |
Music Department
| Franco Ferrara | ... | conductor |
| Carlo Rustichelli | ... | musical director (Italian version) |
Additional Crew
| Nadine Alari | ... | voice dubbing (uncredited) |
| Georges Atlas | ... | voice dubbing (uncredited) |
| Nelly Benedetti | ... | voice dubbing (uncredited) |
| Yves Brainville | ... | voice dubbing (uncredited) |
| Jean-Henri Chambois | ... | voice dubbing (uncredited) |
| Emilio Cigoli | ... | voice dubbing: Stewart Granger (uncredited) |
| Dhia Cristiani | ... | voice dubbing: Marina Berti (uncredited) |
| Henry Djanik | ... | voice dubbing (uncredited) |
| Vittoria Febbi | ... | voice dubbing: Christine Kaufmann (uncredited) |
| Jean Lagache | ... | voice dubbing (uncredited) |
| Bruno Persa | ... | voice dubbing: Claudio Gora (uncredited) |
| Michel Piccoli | ... | voice dubbing (uncredited) |
| Maurice Pierrat | ... | voice dubbing (uncredited) |
| William Sabatier | ... | voice dubbing (uncredited) |
| Rita Savagnone | ... | voice dubbing: Evi Marandi (uncredited) |
| Vinicio Sofia | ... | voice dubbing: Carlo Rizzo (uncredited) |
| Renato Turi | ... | voice dubbing: Fausto Tozzi (uncredited) |
| André Valmy | ... | voice dubbing (uncredited) |
