The British High Command finds itself in the thick of a huge dilemma when it is realized that they have long been infiltrated by spies from a German intelligence group. This all happens during the preliminary stages of the Battle of Britain.

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Main Cast: Frederick Stafford, Van Johnson, Francisco Rabal, Ida Galli, Luigi Pistilli, Renzo Palmer, Luis Dávila, Christian Hay, Jacques Berthier, Teresa Gimpera

Director: Enzo G. Castellari

Writers: Enzo G. Castellari, Tito Carpi, José Luis Martínez Mollá, Gilles Morris-Dumoulin, Vincenzo Mannino

Editor: Vincenzo Tomassi

Cinematographer: Alejandro Ulloa

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