* Lee Aaker as Rusty (1954-1959)
* Rin Tin Tin as himself (1954-1959)
* James Brown as Sergeant Rip Masters (1954-1959)
* Ann Doran as "Ma" Masters (1954-1957)
Rin Tin Tin was actually played by a series of German Shepherd dogs. The first one to take on the role was a dog named "Rinty" who was found by an American soldier in World War I.
Let me know if you'd like to know more about Rin Tin Tin or any of the actors!