Answer
Mickey Rooney made his film debut at the age of 6. He appeared in the silent film "Not to Be Trusted" in 1926. Rooney went on to star in over 300 films, including "Babes in Arms" (1939), "Strike Up the Band" (1940), "Boys Town" (1938), and "Andy Hardy" (1937-1941). He was also a successful singer and dancer.