A former British Secret Service agent is persuaded to negotiate a spy exchange with Russia, only to find himself drawn into political intrigues.
Acting
Jill St. John doing heavy lifting while men smoke pipes meaningfully.
Production
Somehow shot in 75 minutes yet feels like 3 hours — impressive!

Director
Roy Ward Baker
Trivia, insights & behind the scenes
This was a backdoor pilot for a TV series that absolutely nobody wanted — Robert Horton's second failed spy vehicle after 'A Man Called Shenandoah.'
Roy Ward Baker directed this between 'The Vampire Lovers' and 'Scars of Dracula' for Hammer — spy thrillers were his vacation from blood and cleavage.