In this gripping Cold War espionage thriller, the story follows George Smiley, a retired intelligence officer, as he is called back to uncover a Soviet mole within the British Secret Service. The narrative intricately weaves through a web of deception, loyalty, and betrayal, capturing the tense atmosphere of the era. Alec Guinness delivers a masterful performance as Smiley, bringing depth and nuance to the character. Directed by John Irvin, the film is noted for its meticulous attention to detail and complex storytelling. This classic can be viewed for free on 123Movies / Movies123.