After her husband is murdered in Paris, Regina Lampert is pursued by three relentless criminals seeking a hidden fortune. Aided by a charming but mysterious stranger, she must navigate a web of deception and danger in this elegant, witty, and suspenseful Hitchcockian masterpiece.

Director: Stanley Donen
Writer: Peter Stone
Cast: Audrey Hepburn, Cary Grant, Walter Matthau, James Coburn
1963
Mystery, Romance, Comedy, Thriller

https://www.youtube.com/playlist?list=PLPXF779xe6bTVLfh9js4dBsY3Mjk1QWnd

Full Movie also available in French, Spanish, Italian and multiple other languages.
Subtitles available