On the Border 1930

Synopsis:

A Mexico/United States border patrol officer is aided by his police dog, Rinty.

Directed by: William C. McGann
Written by: Lillie Hayward
Runtime: 46 minutes
Tagline: Here's new thrills for the Western fans- with Rinty in his first Vitaphone production.
Cast:
Rin-Tin-Tin
Rin-Tin-Tin
Rinty 
Armida
Armida
Pepita 
John Litel
John Litel
Dave (as John B. Litel) 
Philo McCullough
Philo McCullough
Farrell 
Bruce Covington
Bruce Covington
Don José 
Walter Miller
Walter Miller
Border Patrol Commander