The Deadly Affair
“From the author of "The Spy Who Came in from the Cold”
1967 · 1 h 47 min
Directed by 
Sidney Lumet
Sidney LumetCast
Cast not recorded here
Plot
A British agent investigates the apparent suicide of a Foreign Office man and finds a deeper plot, while his wife deceives him.
Sinekatalog’s take
Sidney Lumet's John le Carré adaptation, with James Mason and Simone Signoret, is moody and grown-up.Sinekatalog’s own editorial review – not a user or critic quote.
Ratings
IMDb: 6.7 / 10 (4,815 votes)
IMDb rating and vote count from the IMDb ratings dataset (October 2026). Scores change over time.