Bette Davis of Margo Channing in the film as fifth on their list of 100 Greatest Performances of All Time, commenting: "There is something deliciously audacious about her gleeful willingness to play such unattractive emotions as jealousy, bitterness, and neediness." While reviewing "What Ever Happened to Baby Jane?" (1962) in 2008, Ebert asserted that, "No one who has seen the film will ever forget her." A few months before her death in 1989, Davis was one of several actors featured on the cover of "Life" magazine. In a film retrospective that celebrated the films and stars of 1939, "Life" concluded that Davis
Margo Lane provide sufficient "vocal contrast". Margo was based on socialite Brenda Frazier and "You Can't Take It with You" star Margot Stevenson. The relationship between Lamont and Margo was modelled on the Thin Man film series. During World War II, Walter B. Gibson felt he could no longer write stories about spy rings, since they had now become a reality. Instead he focused on whodunits, which suited the Cranston persona of the Shadow. Thus the character of Margo came to the fore, and eventually became a permanent fixture in the stories, finally being promoted to a full agent. Margo appears in