Real age of Jason Segel in Get Him to the Greek
In the movie Get Him to the Greek, Jason Segel was:
29 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 Get Him to the Greek was released:
January 1, 2010
And the day in which Jason Segel was born:January 18, 1980
Since movies usually don't take more than one year to be released since the beginning of the filming process, Jason Segel may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.