Rin-Tin-Tin Jr., Frankie Darro, Boots Mallory, George J. Lewis, Henry B. Walthall, Hale Hamilton, Fred Kohler, Niles Welch, Gordon De Main, Yakima Canutt, Cornelius Keefe, Tom London, Stanley Blystone
The story of a boy, a dog, and a man. The boy discovers he is heir to a shipping line, and travels to Los Angeles, accompanied by inventor/radio operator Bob Whitlock and Irene Blaine. Their journey is aided by Pal, a wolf dog.