Real age of Joely Richardson in Sister My Sister
In the movie Sister My Sister, Joely Richardson was:
28 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 Sister My Sister was released:
January 1, 1994
And the day in which Joely Richardson was born:January 09, 1965
Since movies usually don't take more than one year to be released since the beginning of the filming process, Joely Richardson may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.