Real age of James Brolin in A Guy Thing
In the movie A Guy Thing, James Brolin was:
62 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 A Guy Thing was released:
January 1, 2003
And the day in which James Brolin was born:July 18, 1940
Since movies usually don't take more than one year to be released since the beginning of the filming process, James Brolin may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.