Real age of William Fichtner in The Dark Knight
In the movie The Dark Knight, William Fichtner was:
51 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 Dark Knight was released:
January 1, 2008
And the day in which William Fichtner was born:November 27, 1956
Since movies usually don't take more than one year to be released since the beginning of the filming process, William Fichtner may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.