Real age of Mel Brooks in The Doctor and the Devils
In the movie The Doctor and the Devils, Mel Brooks was:
58 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 Doctor and the Devils was released:
January 1, 1985
And the day in which Mel Brooks was born:June 28, 1926
Since movies usually don't take more than one year to be released since the beginning of the filming process, Mel Brooks may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.