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Richard Greene as Agente del Tesoro Lee Scott |
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Anouk Aimée as Elena Vargas |
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Michael Denison as Agente británico Ricky Metcalfe |
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José Nieto as Pierre, secuaz principal |
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Alfonso Estela as Secuaz |
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Philip Saville as Martin Scott |
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Antonio Almorós as Lucien Remue, secuaz |
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G.H. Mulcaster as Coronel Ingleby |
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Conrado San Martín as Secuaz |
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Robert Ayres as Sr. Dean, superior de la Embajada de los Estados Unidos |
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Richard Warner as Inspector LeGrand, de la Surete |
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John Warwick as Bryant, director del polideportivo |
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Arnold Bell as Oficial de la cárcel |
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Olive Milbourne as Mrs. Ingleby |
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Jesús Colomer as (no acreditado) |
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José Ramón Giner as (no acreditado) |
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Ramón Martori as (no acreditado) |
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Rafael Albaicín as (no acreditado) |
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Max Brimmell as Fotógrafo (no acreditado) |
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Alex Gallier as Head Waiter (no acreditado) |
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Lloyd Lamble as Funcionario de la Embajada (no acreditado) |
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Andreas Malandrinos as Proprietario de la revista Gautier (no acreditado) |
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John Welsh as Oficial superior de aduanas (no acreditado) |
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Christopher Lee as Narrador (voz) |
| Directing | Lawrence Huntington | Director |
| Directing | Julio Salvador | Director |
| Writing | Lawrence Huntington | Writer |
| Directing | Denis Johnson | Assistant Director |
| Camera | Harry Waxman | Director of Photography |
| Production | Ernest Gartside | Producer |
| Editing | Tom Simpson | Editor |
| Art | Cedric Dawe | Art Direction |
| Costume & Make-Up | Connie Reeve | Makeup Artist |
| Costume & Make-Up | Betty Sherriff | Hairstylist |
| Production | Sydney Streeter | Production Manager |
| Directing | Josep Maria Forn | Assistant Director |
| Sound | Leonard Bulkley | Sound Recordist |
| Sound | George Burgess | Sound Director |
| Sound | Graeme Hamilton | Sound Editor |
| Sound | Edwin Astley | Original Music Composer |
