 The music was by Max Steiner and the cinematography by Ernie Haller.The film stars Bette Davis and Charles Boyer with Barbara O'Neil, Jeffrey Lynn, Virginia Weidler, Helen Westley, Walter Hampden, Henry Daniell, Harry Davenport, George Coulouris, Montagu Love, Janet Beecher and June Lockhart.Rachel Field's novel is based on the true story of Field's great-aunt, Henriette Deluzy-Desportes, a French governess who fell in love with the Duc de Praslin, her employer.