Real age of Jon Heder in When in Rome
In the movie When in Rome, Jon Heder was:
32 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 When in Rome was released:
January 1, 2010
And the day in which Jon Heder was born:October 26, 1977
Since movies usually don't take more than one year to be released since the beginning of the filming process, Jon Heder may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.