Real age of William Shatner in Star Trek II: The Wrath of Khan
In the movie Star Trek II: The Wrath of Khan, William Shatner 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 Star Trek II: The Wrath of Khan was released:
January 1, 1982
And the day in which William Shatner was born:March 22, 1931
Since movies usually don't take more than one year to be released since the beginning of the filming process, William Shatner may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.