Helena Bonham Carter was 40 in Harry Potter and the Order of the Phoenix when she played the character 'Bellatrix Lestrange'.
That was over 17 years ago in 2007.
Today she is 58, and has starred in 103 movies in total, 51 of those since Harry Potter and the Order of the Phoenix was released.
In Harry Potter and the Order of the Phoenix, I think Helena Bonham Carter looks: