The Serpent
One of these men is working for the C.I.A.
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.
- Year: 1973
- Country: Germany, France, Italy
- Genre: Thriller
- Studio: Rialto Film, Les Films La Boétie, Euro International Films
- Keyword: france, spy, double agent, soviet spy
- Director: Henri Verneuil
- Cast: Yul Brynner, Henry Fonda, Dirk Bogarde, Virna Lisi, Robert Alda, Farley Granger