US Border Patrolman Roy Rogers is assigned to prevent a herd of diseased cattle from crossing over from Mexico.
Roy Rogers
Trigger
Cathy Marsh
Elena Madera
Pinky
Lucky Grillo
Ward Sloan
Pancho Lopez
Tony
Colonel Wells
Lopez
Pat (uncredited)
Wells' Secretary (uncredited)
Henchman (uncredited)
Henchman (uncredited)
Sheriff (uncredited)
Cattleman at Meeting (uncredited)
