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 admitted that her success had often been at the expense of her personal relationships. Married four times, she was once widowed and three times divorced, and raised her children as a single parent. Her final years were marred by a long period of ill health, but she continued acting until shortly before her death from breast cancer, with more than 100 film, television, and theater roles to her credit during her six-decade-long career. In 1999, Davis was placed second behind Katharine Hepburn on the American Film Institute's list of the greatest female stars of classic Hollywood cinema. Ruth Elizabeth Davis,