Gene and Frog set out to find out who has been causing the accidents at a dam construction site.
Gene Autry
as Gene Autry
Smiley Burnette
as Frog Millhouse
Frances Grant
as Mary Baxter
Boothe Howard
as Steve Conway
George Chesebro
as Bull Dural
Jack Kennedy
as Mike
Sam Flint
as George Baxter
Champion
as Gene's Horse
Charles King
as Sam
Eugene Jackson
as Iodine
Edward Hearn
as Sheriff Ed
Frank LaRue
as Moore - Banker