Rhythm of the Rio Grande

Tex Ritter

Tex Regan

?

Suzan Dale

Ruth Crane

Warner Richmond

Buck

Martín Garralaga

Pablo the Bandit

Frank Mitchell

Shorty (Tex's Sidekick)

?

Mike J. Rodriguez

Lopez (Pablo's Rider)

?

Juan Duval

Rego (Pablo's Rider)

Tristram Coffin

Jim Banister

?

Chick Hannan

Henchman Pete

?

Earl Douglas

Henchman Blackie

Forrest Taylor

Ranger Captain Edward Crane

Glenn Strange

Sheriff Hays (as Glen Strange)

?

James McNally

Ransom - Crooked Ranger

?

White Flash

Tex's Horse