From the 1001 canon

The Third Man (1949)

Directed by Carol Reed · 1h 45m · Mystery

In postwar Vienna, Austria, Holly Martins, a writer of pulp Westerns, arrives penniless as a guest of his childhood chum Harry Lime, only to learn he has died. Martins develops a conspiracy theory after learning of a "third man" present at the time of Harry's death, running into interference from British officer Major Calloway, and falling head-over-heels for Harry's grief-stricken lover, Anna.

Streaming links via JustWatch. We may earn a small commission if you buy through them.