Thousands of full-length films were produced during the decade of the 1940s. The great actor Humphrey Bogart made his most memorable films in this decade. Frank Capra's masterpiece It's a Wonderful Life and Orson Welles's masterpiece Citizen Kane were released. Citizen Kane made use of matte paintings, miniatures and optical printing techniques. The film noir genre was at its height. Alfred Hitchcock made his American debut with the film Rebecca, and made many classics throughout the 1940s. The most successful film of the decade was Samuel Goldwyn's The Best Years of Our Lives; the film was directed by William Wyler, and starred Fredric March, Myrna Loy, Dana Andrews, Teresa Wright, Virginia Mayo, and Harold Russell. The film won nine Academy Awards.