Real age of Christopher Reeve in Deathtrap
In the movie Deathtrap, Christopher Reeve was:
29 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 Deathtrap was released:
January 1, 1982
And the day in which Christopher Reeve was born:September 25, 1952
Since movies usually don't take more than one year to be released since the beginning of the filming process, Christopher Reeve may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.