Real age of Seth Green in My Stepmother Is an Alien
In the movie My Stepmother Is an Alien, Seth Green was:
13 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 My Stepmother Is an Alien was released:
January 1, 1988
And the day in which Seth Green was born:February 08, 1974
Since movies usually don't take more than one year to be released since the beginning of the filming process, Seth Green may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.