Casts
William Boyd
as William "Hopalong" Cassidy
Andy Clyde
as Clarence "California" Carlson
Rand Brooks
as Lucky Jenkins
Elaine Riley
as Anne Larson
Joel Friedkin
as Prof. Alonzo Larson
Kenneth MacDonald
as Nat Bentley
Cliff Clark
as Gerald Waite
Don Haggerty
as Deal Marden, chief henchman
Richard Alexander
as Miner-Henchman Buck
Zon Murray
as Miner-Henchman Sam
