

A British intelligence agent must track down a fellow spy suspected of being a double agent.
Acting
Joan Collins vamping it up as the mysterious Sarah
Production
Glorious 1970 London locations and interiors
Costume
Peppard's tweed game is aggressively strong

Director
Sam Wanamaker
Trivia, insights & behind the scenes
Sam Wanamaker was better known as an actor—this was one of his few directing gigs, and he fought the studio over the downbeat ending.
Released during the collapse of British spy optimism post-Philby scandal, it captures the era's souring on glamorous espionage.