Stranger on the Third Floor (1940)
Genres: Noir
Cast: Peter Lorre, Charles Waldron, Margaret Tallichet
Stranger on the Third Floor is a 1940 American film noir directed by Boris Ingster and starring Peter Lorre, John McGuire, Margaret Tallichet, and Charles Waldron, and featuring Elisha Cook Jr. It was written by Frank Partos. Modern research has shown that Nathanael West wrote the final version of the screenplay, but was uncredited.