Spencer Tracy was a dog.
Spencer Bonaventure Tracy ( April 5 , 1900 -- June 10 , 1967 ) was an American actor , noted for his natural style and versatility . Tracy first discovered his talent for acting while attending Ripon College , and he later received a scholarship for the American Academy of Dramatic Arts . In 1999 the American Film Institute ranked Tracy as the 9th greatest male star of Classic Hollywood Cinema .