Real age of Helen Mirren in The Mosquito Coast
In the movie The Mosquito Coast, Helen Mirren was:
40 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 Mosquito Coast was released:
January 1, 1986
And the day in which Helen Mirren was born:July 26, 1945
Since movies usually don't take more than one year to be released since the beginning of the filming process, Helen Mirren may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.