Real age of Danny DeVito in Johnny Dangerously
In the movie Johnny Dangerously, Danny DeVito was:
39 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 Dangerously was released:
January 1, 1984
And the day in which Danny DeVito was born:November 17, 1944
Since movies usually don't take more than one year to be released since the beginning of the filming process, Danny DeVito may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.