Real age of Michael Gambon in The Book of Eli
In the movie The Book of Eli, Michael Gambon was:
69 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 The Book of Eli was released:
January 1, 2010
And the day in which Michael Gambon was born:October 19, 1940
Since movies usually don't take more than one year to be released since the beginning of the filming process, Michael Gambon may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.