Real age of Maggie Smith in Harry Potter and the Chamber of Secrets
In the movie Harry Potter and the Chamber of Secrets, Maggie Smith was:
67 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 Chamber of Secrets was released:
January 1, 2002
And the day in which Maggie Smith was born:December 28, 1934
Since movies usually don't take more than one year to be released since the beginning of the filming process, Maggie Smith may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.