Real age of Marie Avgeropoulos in Percy Jackson & the Olympians: The Lightning Thief
In the movie Percy Jackson & the Olympians: The Lightning Thief, Marie Avgeropoulos was:
23 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 Percy Jackson & the Olympians: The Lightning Thief was released:
January 1, 2010
And the day in which Marie Avgeropoulos was born:June 17, 1986
Since movies usually don't take more than one year to be released since the beginning of the filming process, Marie Avgeropoulos may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.