Rin-Tin-Tin Jr.

Rin-Tin-Tin

Regis Toomey

Bob Franklin, alias Rocky Morgan

Jack Mulhall

Border Patrolman Ed

Molly O'Day

Ann Norton

Jack Mower

King

Lois January

Barbara Franklin

James Murray

Matt

John Elliott

John Norton

Tom London

Henchman Jennings

Milburn Morante

Dad Miller

George Chesebro

Henchman "Dude"

Bob Walker

Henchman Saunders

Jack Evans

Henchman Carter

George Hazel

Henchman Slim

James Oliver Curwood

Story

Carl Krusada

Screenplay

Elmer Clifton

Director

Bernard De Roux

Assistant Director

Pliny Goodfriend

Director of Photography

Fred Bain

Editor

Harry S. Webb

Associate Producer

Jesse Moulton

Sound

Carl Krusada

Continuity

Ira Webb

Art Direction

Bennett Cohen

Dialogue

Bernard B. Ray

Producer