Real age of Jonah Hill in Forgetting Sarah Marshall
In the movie Forgetting Sarah Marshall, Jonah Hill was:
24 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 Forgetting Sarah Marshall was released:
January 1, 2008
And the day in which Jonah Hill was born:December 20, 1983
Since movies usually don't take more than one year to be released since the beginning of the filming process, Jonah Hill may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.