A Race for Life (1928)
Rinty becomes the best pal of juvenile "human" hero Danny O'Shea. Their devotion to one another is proven beyond doubt when Danny is threatened by kidnappers.
Directed by: D. Ross Lederman
Starring: Rin-Tin-Tin, Virginia Brown Faire, Carroll Nye, Robert Gordon, James Pier Mason, Pat Hartigan
Links: IMDb, Movie posters, Movie stills