Real age of Mark Harmon in Till There Was You
In the movie Till There Was You, Mark Harmon 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 Till There Was You was released:
January 1, 1991
And the day in which Mark Harmon was born:September 02, 1951
Since movies usually don't take more than one year to be released since the beginning of the filming process, Mark Harmon may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.