Harry Lachman Director Spencer Tracy Joe Buck Actor Marian Nixon Madge Actor Stu Erwin Lucky Actor Sam Hardy Triplet The Great Actor Sarah Padden Ma Brown Actor Frank McGlynn Jr. Jim Brown Actor Russell Simpson Pa Brown Actor Billy Platt Midget Actor Lila Lee Sharon Hadley Actor Guy Usher Albert Preston Actor Myles Connolly Screenwriter Humphrey Pearson Screenwriter R.H. Bassett Original Music Peter Brunelli Original Music Hugo Friedhofer Original Music J.S. Zamecnik Original Music Lee Garmes Cinematographer David Cox Costume Design