Real age of Richard Dreyfuss in What About Bob?
In the movie What About Bob?, Richard Dreyfuss was:
43 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 What About Bob? was released:
January 1, 1991
And the day in which Richard Dreyfuss was born:October 29, 1947
Since movies usually don't take more than one year to be released since the beginning of the filming process, Richard Dreyfuss may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.