Cast
William BoydHopalong Cassidy
Andy ClydeCalifornia Carlson
Rand BrooksLucky Jenkins
Robert Emmett KeaneProfessor Dixon
Jane RandolphJessie Dixon
Fred 'Snowflake' ToonesSpeed
Steve BarclayBruce Landy
Harry CordingDuke
Earle HodginsSandler
Robert BentleyBarton
William 'Wee Willie' DavisBlackie
Forbes MurrayColonel Jed Landy
Glen GallagherLieutenant
Ben CorbettSergeant
