The Serpent

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.

Cast

Yul Brynner

Col. Alexi Vlassov

Henry Fonda

Alan Davies

Dirk Bogarde

Philip Boyle

Virna Lisi

Mrs. Annabel Lee

Robert Alda

Polygraph interrogator