Alfred Hitchcock Director, Producer James Stewart Dr. Ben McKenna Actor Doris Day Jo McKenna Actor Bernard Miles Edward Drayton Actor Ralph Truman Buchanan Actor Daniel Gélin Louis Bernard Actor Mogens Wieth Ambassador Actor Alan Mowbray Val Parnell Actor Hillary Brooke Jan Peterson Actor Christopher Olsen Hank McKenna Actor Reggie Nalder The assassin Actor Richard Wattis Assistant manager Actor Noel Willman Woburn Actor Alix Talton Helen Parnell Actor Yves Brainville Police inspector Actor Carolyn Jones Cindy Fontaine Actor Patrick Aherne Handyman (uncredited) Actor Betty Baskcomb Edna (uncredited) Actor Leo Gordon Chauffeur (uncredited) Actor Louis Mercier French policeman (uncredited) Actor Anthony Warde (uncredited) Actor Gladys Holland Bernard's Date at Restaurant (uncredited) Actor Brenda De Banzie Lucy Drayton Actor Charles Bennett Writer D.B. Wyndham-Lewis Writer John Michael Hayes Writer L. Robert Burks Cinematographer George Tomasini Film Editing Ray Evans Original Music Henry Bumstead Art Director Hal Pereira Art Director Sam Comer Set Decoration Arthur Krams Set Decoration Edith Head Costume Design