Reparto

• Andrée Debar — Vicki Martin
• Barbara Laage — Jaqueline Delbois
• Stephen Murray — Summers
• John Justin — Nap Rumbold
• Donald Wolfit — Judge
• Norman Wooland — Pelton
• Kynaston Reeves — Colonel Wright
• Betty Stockfeld — Mrs. Roper
• Hugh Morton — Rumbold Senior
• Leslie Perrins — Poynter
• Russell Napier — Inspector Hobson
• Andre Mikhelson — Santos
• Sydney Tafler — Camino
• Félix Clément — Maire Gimelet
• Margo Lion — Madame Gimelet
• Marcel Lupovici — Valdi
• Michael Anthony — Julian Welles
• Jack Melford — Court Official
• Frank Villard — Pierre Lemaire

Guion

• Maurice J. Wilson — screenplay
• Michael Gilbert — novel

Dirección

• Edmond T. Gréville — director
• Audrey Warwick — continuity
• Peter Manley — first assistant director

Sonido

• Len Page — sound mixer
• Bruce Montgomery — original music composer
• Philip Martell — music director

Arte

• Eugène Piérac — production design
• Scott MacGregor — art direction

Vestuario y maquillaje

• John O'Gorman — makeup artist
• Doris Pollard — hairdresser

Producción

• Jack Hicks — production manager
• Maurice Hartwig — unit production manager

Cámara

• John von Kotze — camera operator
• Jacques Lemare — director of photography
• Jacques Boutinot — still photographer

Montaje

• Jim Connock — editor