Real age of Helena Bonham Carter in Harry Potter and the Half-Blood Prince
In the movie Harry Potter and the Half-Blood Prince, Helena Bonham Carter was:
42 years old
That was the real age of the celebrity according to our calculation.
The calculation of the shown age took into account the first day of the year in which the movie Harry Potter and the Half-Blood Prince was released:
January 1, 2009
And the day in which Helena Bonham Carter was born:May 26, 1966
Since movies usually don't take more than one year to be released since the beginning of the filming process, Helena Bonham Carter may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.