Real age of Uma Thurman in Johnny Be Good
In the movie Johnny Be Good, Uma Thurman was:
17 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 Johnny Be Good was released:
January 1, 1988
And the day in which Uma Thurman was born:April 29, 1970
Since movies usually don't take more than one year to be released since the beginning of the filming process, Uma Thurman may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.