The Serpent (1973)

The Serpent (1973) - Thriller Movies 113 minutes. Night Flight From Moscow, Reptilen. 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. france, spy, double agent, soviet spy