The Silent Hero
"The Silent Hero - A Gentleman Among Dogs"
Bud Taylor loves Mary Stoddard but is leaving for Alaska in search of gold, leaving a police-dog pup with her that he has named "Phantom." Wade Burton is anxious to win Mary and her father's money. Later, Wade follows Bud to Alaska and attempts to claim-jump Bud's gold strike, but is foiled by Bud and "Phantom."
Directors: Duke Worne
Writers: George W. Pyper, H.H. Van Loan
IMDB: tt0018399