1. Vin Diesel (He saved a family from a burning car in 2002, which is three years after the release of The Iron Giant and three years before that of The Pacifier): http://cinema.com/news/item/6152/vin-diesel-saves-family-from-car-blaze.phtml
2. Rob Knox (He died a hero's death at the age of 18 defending his younger brother from getting stabbed by the villainous Karl Bishop. (Rob had played Ravenclaw student Marcus Belby in Harry Potter and the Half-Blood Prince.)