Shadow of a Doubt is a 1943 American psychological thriller film directed by
Alfred Hitchcock, and starring Teresa Wright and Joseph Cotten. Written by
Thornton Wilder, Sally Benson, and Alma Reville, the film was nominated for an
Academy Award for Best Story for Gordon McDonell. In 1991, the film was
selected for preservation in the United States National Film Registry by the
Library of Congress, being deemed "culturally, historically, or aesthetically
significant". The film was also Alfred Hitchcock's favorite of all of his
films.