Real age of Jennifer Jason Leigh in O Brother, Where Art Thou?
In the movie O Brother, Where Art Thou?, Jennifer Jason Leigh was:
37 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 O Brother, Where Art Thou? was released:
January 1, 2000
And the day in which Jennifer Jason Leigh was born:February 05, 1962
Since movies usually don't take more than one year to be released since the beginning of the filming process, Jennifer Jason Leigh may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.