East Side, West Side (1949)
East Side, West Side is a 1949 melodramatic crime film, starring Barbara Stanwyck as a wronged wife and Ava Gardner in one of her earliest roles, along with James Mason and Van Heflin. Based on a novel by Marcia Davenport and a screenplay by Isobel Lennart, the film was produced by Voldemar Vetluguin, directed by Mervyn Leroy and distributed by Metro-Goldwyn-Mayer.
More at Wikipedia.