Real age of Michael Caine in The Ipcress File
In the movie The Ipcress File, Michael Caine 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 The Ipcress File was released:
January 1, 1965
And the day in which Michael Caine was born:March 14, 1933
Since movies usually don't take more than one year to be released since the beginning of the filming process, Michael Caine may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.