With the final Harry Potter film hitting theaters July 15, test your knowledge of the cinematic saga -- onscreen and off! (27 Photos)
Katie Calautti on Jul 11, 2011 at 10:53AM
chime in nowEmma Watson (pictured in November 2001) was clearly the perfect choice to play wiser-than-her-years Hermione Granger. Born on April 15, 1990, the 21-year-old actress is the youngest of the principal cast. Radcliffe is a close second; he'll be turning 22 on July 23. Grint will be 23 on August 24.