Rin Tin Tin was a shell-
Nicknamed Rinty by his owner, the dog learned tricks and could leap 11 feet 9 inches. He was seen performing at a dog show by film producer Charles Jones, who paid Duncan to film Rinty. Duncan became convinced Rin Tin Tin could become the next Strongheart.
The dog's big break came when he stepped in for a recalcitrant wolf in The Man From Hell's River (1922). Rin Tin Tin would be cast as a wolf or wolf-
His first starring role, 1923's Where The North Begins, playing alongside silent screen actress Claire Adams, was a huge success often credited with saving Warner Brothers from bankruptcy. It was followed by Shadows of the North (1923), Clash of the Wolves (1925), A Dog of the Regiment (1927), Tiger Rose (1929) and The Lightning Warrior (1931). His financial success for Warner Brothers inspired several imitations from other studios looking to cash in on Rin Tin Tin's popularity.