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 for Susan Hayward." Mankiewicz presented a film treatment of the combined stories under the title "Best Performance." He changed the main character's name from Margola Cranston to Margo Channing and retained several of Orr's characters — Eve Harrington, Lloyd and Karen Richards, and Miss Casswell — while removing Margo Channing's husband completely and replacing him with a new character, Bill Sampson. The intention was to depict Channing in a new relationship and allow Eve Harrington to threaten both Channing's professional and personal lives. Mankiewicz also added the characters Addison DeWitt, Birdie Coonan, Max Fabian, and Phoebe. Zanuck was enthusiastic and