Trivia: Peter Joshua was named after Director Stanley Donen's two sons, Peter and Joshua.
Trivia: In this rather clunking classic murder mystery, the closing gimmick of the film is a sequence of several otherwise unremarkable supporting characters grandly removing their heavy latex makeup to reveal A-List Hollywood movie stars who played mundane roles in the film. The heavily-disguised stars in this film include Kirk Douglas, Tony Curtis, Robert Mitchum, Burt Lancaster and Frank Sinatra. Director John Huston (who also made a cameo appearance in the film) tried to convince Elizabeth Taylor to play a disguised part in this movie, as well; but, when Taylor learned that her lovely face would be completely hidden under heavy latex, she turned down the role.