Hitchcock introduced a ""fascinating new personality"" for the film - his successor to Grace Kelly - a cool, blonde professional model named ""Tippi"" Hedren, in her film debut in a leading role.It won eight Academy Awards including: Best Picture and Director (Kazan), Best Story and Screenplay (Schulberg), Best Actor (Brando), Best Supporting Actress (Saint in her film debut), Best B/W Cinematography (Boris Kaufman), Best B/W Art Direction-Set Decoration (Richard Day), and Best Film Editing (Gene Milford).Her performance as a cool and icy blonde recalled the way that Hitchcock often presented and treated his ethereal leading ladies, who included Madeleine Carroll, Grace Kelly, Vera Miles, and Tippi Hedren.During a pause in the gunfight, Ambrose insultingly told Hunt about his mask-deception: "That was the hardest part of having to portray you grinning like an idiot every 15 minutes.