Richard Brooks Director, Writer Burt Lancaster Elmer Gantry Actor Jean Simmons Sister Sharon Falconer Actor Dean Jagger William L. Morgan Actor Shirley Jones Lulu Bains Actor Arthur Kennedy Jim Lefferts Actor Patti Page Sister Rachel Actor Edward Andrews George F. Babbitt (as Ed Andrews) Actor John McIntire Rev. John Pengilly Actor Joe Maross Pete (Lulu'sman) Actor Everett Glass Rev. Brown (uncredited) Actor Michael Whalen Rev. Phillips (uncredited) Actor Hugh Marlowe Rev. Philip Garrison Actor Philip Ober Rev. Planck Actor Wendell Holmes Rev. Ulrich Actor Barry Kelley Police Capt. Holt Actor Rex Ingram Preacher of black congregation (uncredited) Actor Jean Willes Prostitute (uncredited) Actor Sally Fraser Prostitute (uncredited) Actor Sinclair Lewis Writer André Previn Original Music John Alton Cinematographer Marjorie Fowler Film Editing Edward Carrere Art Director William F. Calvert Set Decoration Frank Tuttle Set Decoration Dorothy Jeakins Costume Design