Real age of Christopher Plummer in Somewhere in Time
In the movie Somewhere in Time, Christopher Plummer was:
50 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 Somewhere in Time was released:
January 1, 1980
And the day in which Christopher Plummer was born:December 13, 1929
Since movies usually don't take more than one year to be released since the beginning of the filming process, Christopher Plummer may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.