Real age of Summer Glau in Knights of Badassdom
In the movie Knights of Badassdom, Summer Glau 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 Knights of Badassdom was released:
January 1, 2013
And the day in which Summer Glau was born:July 24, 1981
Since movies usually don't take more than one year to be released since the beginning of the filming process, Summer Glau may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.