Cary Grant character John Robie
Grace Kelly character Frances Stevens
Jessie Royce Landis character Jessie Stevens
John Williams character H. H. Hughson
Charles Vanel character Bertani
Brigitte Auber character Danielle Foussard
Jean Martinelli character Foussard
Georgette Anys character Germaine
René Blancard character Commissaire Lepic (uncredited)
William 'Wee Willie' Davis character Big Man in Kitchen (uncredited)
Bess Flowers character Masquerade Party Guest
Alfred Hitchcock character Man Sitting Next to John Robie on Bus
Charles Sherlock character Detective (uncredited)
