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.
as Roy Rogers
as Trigger - Roy's Horse
as Kay 'Doc' Parker
as Rita
as Carlos
as Martin Masters, Newspaper editor
as Russell Masters
as Roberts aka Walter P. Johnson
as Henchman Vince
as Bob Oliver
as Foy
