Law of the Wolf The grandson of Rin-Tin-Tin-Carries On! When a man is wrongly accused of murder, a dog helps clear his name. Details Casts Galleries Posters Title Law of the Wolf Release Date 1939-06-15 Runtime 00 Hours 55 Minutes Genres Drama Western Production Companies Unknown Production Countries Dennis Moore... Carl Pearson... Luana Walters... Ruth Adams... George Chesebro... Duke Williams... Steve Clark... John Andrews... Jack Ingram... Roger Morgan... Robert Frazer... Lt. Franklin... Jimmy Aubrey... Uncle Jim... Martin Spellman... Johnny... Robert Gordon... Bobby [Pearson]... Rin-Tin-Tin Jr.... Rinty... Victor Adamson... First Camper... Original Size (1280x720) Original Size (960x1440)