Rhythm of the Rio Grande

Tex Ritter

Tex Regan

Warner Richmond

Buck

Martín Garralaga

Pablo the Bandit

Frank Mitchell

Shorty (Tex's Sidekick)

Tristram Coffin

Jim Banister

Forrest Taylor

Ranger Captain Edward Crane

Glenn Strange

Sheriff Hays (as Glen Strange)

Suzan Dale

Ruth Crane

Mike J. Rodriguez

Lopez (Pablo's Rider)

Juan Duval

Rego (Pablo's Rider)

Chick Hannan

Henchman Pete

Earl Douglas

Henchman Blackie

James McNally

Ransom - Crooked Ranger

White Flash

Tex's Horse