Ray Milland
Tony Wendice
Grace Kelly
Margot Wendice
Robert Cummings
Mark Halliday
John Williams
Chief Inspector Hubbard
Anthony Dawson
Charles Swann
Patrick Allen
Detective Pearson
Robin Hughes
Police Sergeant O'Brien
Jack Cunningham
Bobby (uncredited)
Guy Doleman
Detective (uncredited)
Bess Flowers
Woman Exiting Ship (uncredited)
