Anti-Defamation League and the Beitler Family Foundation ; written by Lorraine Beitler ; edited by Carol Lister ; narration by Arthur Teitelbaum ; produced by Chuck Hyman
RKO Radio Pictures, Inc. ; producers, Merian C. Cooper, Ernest B. Schoedsack ; story, Merian C. Cooper and Edgar Wallace ; screen play by James Creelman and Ruth Rose ; directed by Merian C. Cooper, Ernest B. Schoedsack