Real age of Colin Firth in Mad at the Moon
In the movie Mad at the Moon, Colin Firth was:
31 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 Mad at the Moon was released:
January 1, 1992
And the day in which Colin Firth was born:September 10, 1960
Since movies usually don't take more than one year to be released since the beginning of the filming process, Colin Firth may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.