Sloan Nibley (Screenplay) · John K. Butler (Screenplay) · William Witney (Director)
Roy Rogers
Roy Rogers
Trigger
Trigger - Roy's Horse
Dale Evans
Kay 'Doc' Parker
Estelita Rodriguez
Rita
Martín Garralaga
Carlos
Robert Emmett Keane
Martin Masters, Newspaper editor
Lucien Littlefield
Russell Masters
Douglas Fowley
Roberts aka Walter P. Johnson
David Sharpe
Henchman Vince
Robert Bice
Bob Oliver
Foy Willing
Foy
Peter Brocco
Mauritz Hugo
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The bad guys dynamite a fish hatchery. They're trying to put the hatchery out of business so they can get possession of oil underneath the lake. Roy is a game warden investigating the dynamiting.
