Real age of Leonard Nimoy in Star Trek IV: The Voyage Home
In the movie Star Trek IV: The Voyage Home, Leonard Nimoy was:
54 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 IV: The Voyage Home was released:
January 1, 1986
And the day in which Leonard Nimoy was born:March 26, 1931
Since movies usually don't take more than one year to be released since the beginning of the filming process, Leonard Nimoy may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.