Gene Autry Sheriff Gene Autry Actor Pat Buttram Deputy Pat Buttram Actor Sheila Ryan Marcy Nevers Guest Star Gail Davis Billie Carter Guest Star Lyle Talbot George Evans Guest Star Myron Healey Les Wayland Guest Star Robert Lowery Blake Jessup Guest Star Ross Ford Prof. Donald Markham Guest Star Edmund Cobb Hank, Crowd Agitator Guest Star Terry Frost Bill Daly Guest Star Clayton Moore Slim Edwards, Conquistador Guest Star John Doucette Brief Williams Guest Star Bernard Szold Hard Luck Finney Guest Star Harry Lauter Jim Lear Guest Star Ewing Mitchell Sheriff Guest Star Sandy Sanders Henchman Saunders Guest Star Rusty Wescoatt Cole, Beefy Henchman in Checked Shirt Guest Star Tom London Ralph, Train Engineer Guest Star Bob Woodward Thompson Guest Star Larry Hudson Thug in black hat Guest Star George Archainbaud Director Wallace Fox Director William Berke Director D. Ross Lederman Director Robert Schaefer Writer Dwight Cummins Writer Virginia M. Cooke Writer Elizabeth Beecher Writer Milton Raison Writer William Telaak Writer Dorrell McGowan Writer Eric Freiwald Writer Stuart E. McGowan Writer