크레딧 출연 William Boyd William "Hopalong" Cassidy Andy Clyde Clarence "California" Carlson Rand Brooks Lucky Jenkins Elaine Riley Anne Larson Joel Friedkin Prof. Alonzo Larson Kenneth MacDonald Nat Bentley Cliff Clark Gerald Waite Don Haggerty Deal Marden, chief henchman Richard Alexander Miner-Henchman Buck Zon Murray Miner-Henchman Sam George Eldredge Mr. Radley William Bailey Mine Foreman 스텝 George Archainbaud Directing Harrison Jacobs Writing Doris Schroeder Crew William Conselman Jr. Crew Clarence E. Mulford Writing Lewis J. Rachmil Production Raoul Kraushaar Sound Mack Stengler Camera Jerome Pycha Jr. Art George Sawley Art Earl Moser Costume & Make-Up Earl Sitar Sound