how old was judy garland in the wizard of oz

Judy Garland was 16 years old when she starred as Dorothy in the movie "The Wizard of Oz" released in 1939. She was born on June 10, 1922, and the film came out in 1939, so she was about 16 or 17 during the filming, depending on the exact shooting schedule. Although the character Dorothy was originally depicted as younger in the books, Garland played her as a teenager in the classic film adaptation.