Real age of Christopher Lee in Crypt of the Vampire
In the movie Crypt of the Vampire, Christopher Lee was:
41 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 Crypt of the Vampire was released:
January 1, 1964
And the day in which Christopher Lee was born:May 27, 1922
Since movies usually don't take more than one year to be released since the beginning of the filming process, Christopher Lee may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.