Dubious Agent (1975)

Robert Mason, a former British secret agent, reluctantly agrees to take on an impossible assignment to redeem himself after a failed mission. Instead, against the backdrop of a pivotal meeting between an Israeli and an Arab diplomat, Mason soon finds himself entangled in a high-stakes espionage game that stretches from London to Geneva and Greece. Now, with double agents lurking in the shadows, the Greek Police hot on his trail, and ruthless assassins closing in, Robert's life and the mission's success hang in the balance. In this dangerous web of deceit, two enigmatic women enter the scene, posing as allies. But as the plot thickens, nothing is as it seems. Can Mason trust them to save his skin?