How old was Judy Greer in 13 Going on 30?

Curiosity about a celebrity’s age during filming is more common than you’d think. Knowing that can offer insight into their career stage and personal growth. Here’s the answer to that particular curiosity.

In the movie 13 Going on 30, Judy Greer was at the age of:

28 years old

Based on our estimate, that was the actual age of the celebrity at the time.

This age was calculated based on the beginning of the release year of 13 Going on 30:

January 1, 2004

And the day Judy Greer was born:

July 20, 1975

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