Real age of Seth MacFarlane in American Dad: The New CIA
In the movie American Dad: The New CIA, Seth MacFarlane was:
31 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 American Dad: The New CIA was released:
January 1, 2005
And the day in which Seth MacFarlane was born:October 26, 1973
Since movies usually don't take more than one year to be released since the beginning of the filming process, Seth MacFarlane may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.