Real age of Jack O'Connell in The Liability
In the movie The Liability, Jack O'Connell was:
21 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 Liability was released:
January 1, 2012
And the day in which Jack O'Connell was born:August 01, 1990
Since movies usually don't take more than one year to be released since the beginning of the filming process, Jack O'Connell may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.