Real age of Ian McShane in The Fifth Musketeer
In the movie The Fifth Musketeer, Ian McShane was:
36 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 Fifth Musketeer was released:
January 1, 1979
And the day in which Ian McShane was born:September 29, 1942
Since movies usually don't take more than one year to be released since the beginning of the filming process, Ian McShane may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.