크레딧 출연 Lightning the German Shepherd Lightning Francis X. Bushman Jr. Matt Caldwell Alice Dahl Helen Stevens J.P. McGowan Lafe Broderick Tom London Wolf Blackie Whiteford Hunky William Desmond Marshal Jack Stevens Marin Sais Mrs. Stevens Murdock MacQuarrie Jim Caldwell 스텝 George Morgan Writing Burton L. King Directing George Morgan Writing Harry Revier Directing