Real age of Jackie Chan in Spiritual Kung Fu
In the movie Spiritual Kung Fu, Jackie Chan was:
23 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 Spiritual Kung Fu was released:
January 1, 1978
And the day in which Jackie Chan was born:April 07, 1954
Since movies usually don't take more than one year to be released since the beginning of the filming process, Jackie Chan may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.