Real age of Nicolas Cage in Rumble Fish
In the movie Rumble Fish, Nicolas Cage was:
18 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 Rumble Fish was released:
January 1, 1983
And the day in which Nicolas Cage was born:January 07, 1964
Since movies usually don't take more than one year to be released since the beginning of the filming process, Nicolas Cage may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.