The dog, Rex, finds the baby abandoned in the mountains. Unfortunately, the nearest town has no orphanage and rough cowboy and wonder-dog owner Bruce is forced to care for the infant himself.
Louise Lorraine
as Molly Markham
Art Acord
as Bruce Taylor
Rex the Dog
as Rex, Bruce's Dog
Leon De La Mothe
as Obediah Dillwater
Andrew Waldron
as Molly's Grandpa
Black Beauty
as Black Beauty, Jim's Horse
