Rin Tin Tin: Caryl of the Mountains

In this film, Caryl is played by Lois Wilde. Doggy star Rin Tin Tin Jr. and human hero Francis X. Bushman Jr. handle all the rough stuff, while Caryl alternates between waiting patiently and requiring rescue. Rinty Jr. is the sidekick of Mountie Bushman Jr.; together they get their man.