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