- Robin Hughes - Police Sergeant O'Brien
- Jack Cunningham - Bobby (uncredited)
- Guy Doleman - Detective (uncredited)
- Bess Flowers - Woman Exiting Ship (uncredited)
- Sam Harris - Man in Phone Booth (uncredited)
- Harold Miller - Men's Club Party Member (uncredited)
- Martin Milner - Policeman Outside Wendice Flat (uncredited)
- Forbes Murray - Judge at Margot's Trial (uncredited)
- Thayer Roberts - Detective (uncredited)
- William H. O'Brien - Waiter at Stag Dinner (uncredited)
- Herschel Graham - Banquet Member (uncredited)
- Alfred Hitchcock
-
Frederick Knott
- Alfred Hitchcock
- Dimitri Tiomkin
- Dimitri Tiomkin
Ray Milland interpreta a Tony Wendice en la película.
Grace Kelly hace el papel de Margot Wendice.
Robert Cummings hace el papel de Mark Halliday.
John Williams interpreta a Chief Inspector Hubbard en la película.
Anthony Dawson interpreta a Charles Swann en la película.
Leo Britt hace el papel de Storyteller.
Patrick Allen interpreta a Detective Pearson en la película.
George Leigh interpreta a Detective Williams en la película.
George Alderson hace el papel de First Detective.
Robin Hughes interpreta a Police Sergeant O'Brien en la película.
Jack Cunningham interpreta a Bobby (uncredited) en la película.
Guy Doleman hace el papel de Detective (uncredited).
Bess Flowers hace el papel de Woman Exiting Ship (uncredited).
Sam Harris interpreta a Man in Phone Booth (uncredited) en la película.
Harold Miller interpreta a Men's Club Party Member (uncredited) en la película.
Martin Milner hace el papel de Policeman Outside Wendice Flat (uncredited).
Forbes Murray interpreta a Judge at Margot's Trial (uncredited) en la película.
Thayer Roberts interpreta a Detective (uncredited) en la película.
William H. O'Brien interpreta a Waiter at Stag Dinner (uncredited) en la película.
Alfred Hitchcock interpreta a Banquet Member (uncredited) en la película.
Herschel Graham hace el papel de Banquet Member (uncredited).
Robert Dobson interpreta a Police Photographer (uncredited) en la película.
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