Margo and her friends take Eve under their wing but only theatre critic Addison DeWitt (George Sanders) sees through Eve's evil plan, which is to take Margo's parts and her fiancé, Bill Simpson (Gary Merrill) too Backstage story revolving around aspiring actress Eve HarringtonAll About Eve is a film directed by Joseph L Mankiewicz with Bette Davis, Anne Baxter, George Sanders, Celeste Holm, Gary Merrill Year 1950 Original title All About Eve Synopsis Margo Channing (Bette Davis), leading dame of the New York stage, is pushed aside by a freshfaced fan who becomes her understudy, the duplicitous Eve (Anne Baxter)All About Eve is a 1950 th Century Fox film, written and directed by Joseph L MankiewiczIt recounts the tale of Margo Channing (Bette Davis), a seasoned veteran of the stage and the darling of Broadway, taking under her wing Eve Harrington (Anne Baxter), a young acolyte with nowhere else to go, whose motives are not what they seemOther important characters include Addison