Synopsis
Vlassov is a Soviet spy who defects in France. He is whisked to the U.S, where Allan Davies takes over the case. After polygraph tests and cross-examinations, Vlassov names several Western European agents who are also spying for the Soviets. Davies wants to take the listed agents into custody; meanwhile, those on the list start dying under mysterious circumstances.
Technical team
Henri Verneuil Directing
Henri Verneuil Screenplay
Gilles Perrault Screenplay
Ennio Morricone Music
Henri Verneuil Producing
Production
Rialto Film
Les Films La Boétie
Euro International Films

