Real age of Mark Hamill in The Birth of the Lightsaber
In the movie The Birth of the Lightsaber, Mark Hamill was:
52 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 Birth of the Lightsaber was released:
January 1, 2004
And the day in which Mark Hamill was born:September 25, 1951
Since movies usually don't take more than one year to be released since the beginning of the filming process, Mark Hamill may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.