Applause (musical) resulting musical could not contain any dialogue or characters that had been created for the movie but could use the original material that the movie also used. In April 1969, it was announced that Strouse, Adams, and book writer Sidney Michaels were beginning to work on the show, with Lawrence Kasha producing. In July 1969, movie star Lauren Bacall was cast as aging theater star Margo Channing, the role played by Bette Davis in "All About Eve". Bacall greatly identified with the role, explaining, "The Margo Channing of "Applause" and myself were ideally suited. She was approaching middle age. So
Bette Davis Giddens, a role originally played on Broadway by Tallulah Bankhead (Davis had portrayed in film roles initiated by Bankhead on the stage twice before - in "Dark Victory", and "Jezebel)". Wyler encouraged Davis to emulate Bankhead's interpretation of the role, but Davis wanted to make the role her own. She received another Academy Award nomination for her performance, and never worked with Wyler again. Following the attack on Pearl Harbor, Davis spent the early months of 1942 selling war bonds. After Jack Warner criticized her tendency to cajole crowds into buying, she reminded him that her audiences responded most strongly