Real age of Bill Hader in Superbad
In the movie Superbad, Bill Hader was:
28 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 Superbad was released:
January 1, 2007
And the day in which Bill Hader was born:June 07, 1978
Since movies usually don't take more than one year to be released since the beginning of the filming process, Bill Hader may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.