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Rita Hayworth as Eve Lewis |
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Rex Harrison as Jimmy Bourne |
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Joseph Wiseman as Jean Marie Calbert |
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Alida Valli as Duchess Blanca |
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Grégoire Aslan as Dr. Victor Muñoz |
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Virgílio Teixeira as Cayetano the Bullfighter |
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Peter Illing as Mr. Pickett the Art Expert |
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Britt Ekland as Mrs. Pickett |
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George Rigaud as Spanish Police Inspector |
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Gérard Tichy as Antonio, Prado Museum Guard |
| Directing | George Marshall | Director |
| Crew | Paul Beeson | Cinematography |
| Art | Ramiro Gómez | Art Direction |
| Writing | John Gay | Screenplay |
| Writing | Richard Condon | Novel |
| Editing | Oswald Hafenrichter | Editor |
| Sound | Mario Nascimbene | Music |
| Production | Rita Hayworth | Executive Producer |
| Production | Edward Woehler | Production Manager |
| Costume & Make-Up | Joan St. Oegger | Hairstylist |
| Costume & Make-Up | John O'Gorman | Makeup Artist |
| Editing | María Luisa Pino | First Assistant Editor |
| Costume & Make-Up | Pedro Rodríguez | Costume Design |
| Costume & Make-Up | Pierre Balmain | Costume Design |
| Production | Manuel Pérez | Unit Manager |
| Directing | Angela Allen | Continuity |
