Real age of George MacKay in The Thief Lord
In the movie The Thief Lord, George MacKay was:
13 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 Thief Lord was released:
January 1, 2006
And the day in which George MacKay was born:March 13, 1992
Since movies usually don't take more than one year to be released since the beginning of the filming process, George MacKay may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.