How old was Alexandra Daddario in Percy Jackson & the Olympians: The Lightning Thief?

Sometimes, a character’s impact makes us want to know more about the person portraying them. Knowing that can offer insight into their career stage and personal growth. We’re about to uncover that piece of the puzzle.

While Percy Jackson & the Olympians: The Lightning Thief was being made, Alexandra Daddario was:

23 years old

Our analysis shows that this was the celebrity’s true age during filming.

This age was calculated based on the beginning of the release year of Percy Jackson & the Olympians: The Lightning Thief:

January 1, 2010

And the day Alexandra Daddario was born:

March 16, 1986

Since movies are typically released within a year of filming, Alexandra Daddario could have been a year younger or older than the displayed age during certain scenes.