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CASSIDY PLAYS AN UNDERCOVER GAME!
Disguising himself as a milquetoast Easterner who writes Western novels, Hoppy enrolls in a dude ranch in order to unmask the murderer of the owner's husband.
Lesley Selander
Harry Sherman
Hopalong Cassidy
Windy Halliday
Lucky Jenkins
Ann Marsh
Dorrie Marsh
Monte Keller
John Marsh
Steve Dorman
Abigail Snodgrass
E. Prescott Furbush
Superintendent
Bouncer
