Bette Davis theatrical actress Margo Channing in "All About Eve" (1950). Davis read the script, described it as the best she had ever read, and accepted the role. Within days, she joined the cast in San Francisco to begin filming. During production, she established what would become a life-long friendship with her co-star Anne Baxter and a romantic relationship with her leading man Gary Merrill, which led to marriage. The film's director, Joseph L. Mankiewicz, later remarked: "Bette was letter perfect. She was syllable-perfect. The director's dream: the prepared actress." Critics responded positively to Davis' performance, and several of her lines became
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