All About Eve that formed the basis for the film. Bette Davis played three roles on film that had been originated by Tallulah Bankhead — "Dark Victory", "Jezebel" and "The Little Foxes", much to Bankhead's chagrin. Bankhead and Davis were considered to be somewhat similar in style. Several decades later Davis called Channing "the essence of a Tallulah Bankhead kind of actress" in an interview with Barbara Walters. The production is notable in that Mary Orr, of "The Wisdom of Eve," played the role of Karen Richards. The cast also featured Alan Hewitt as Addison DeWitt (who narrated), Beatrice Pearson as Eve Harrington,
All About Eve provided numerous suggestions for improving the screenplay. In some sections, he felt Mankiewicz's writing lacked subtlety or provided excessive detail. He suggested diluting Birdie Coonan's jealousy of Eve so the audience would not recognize Eve as a villain until much later in the story. Zanuck reduced the screenplay by about 50 pages and chose the title "All About Eve" from the opening scenes in which Addison DeWitt says he will soon tell "more of Eve ... All about Eve, in fact." Among the actresses originally considered to play Margo Channing were Mankiewicz's original inspiration, Susan Hayward, who was rejected by