Real age of Richard Harris in Juggernaut
In the movie Juggernaut, Richard Harris was:
43 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 Juggernaut was released:
January 1, 1974
And the day in which Richard Harris was born:October 01, 1930
Since movies usually don't take more than one year to be released since the beginning of the filming process, Richard Harris may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.