Real age of Harry Connick Jr. in The Iron Giant
In the movie The Iron Giant, Harry Connick Jr. was:
31 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 The Iron Giant was released:
January 1, 1999
And the day in which Harry Connick Jr. was born:September 11, 1967
Since movies usually don't take more than one year to be released since the beginning of the filming process, Harry Connick Jr. may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.