Triple Cross (1966)

In "Triple Cross," safecracker Eddie Chapman finds himself incarcerated on Jersey Island when the Nazis invade. Skilled at playing both sides, he persuades the German forces to enlist him as a spy against the British. However, upon returning to his homeland, Chapman cleverly negotiates with the British, offering his services as a double agent in return for a complete pardon. His cunning manipulation of both sides sets the stage for a thrilling game of deception during World War II.