How old was Frankie Muniz in Big Fat Liar?

When watching a memorable performance, one might wonder how old a celebrity was at the time. That knowledge can reshape how we view their performance. We’re about to uncover that piece of the puzzle.

The age of Frankie Muniz while starring in Big Fat Liar was:

16 years old

According to our data, that’s how old the celebrity really was during the film.

The age was estimated using the initial day of the year Big Fat Liar came out:

January 1, 2002

And the date of birth of Frankie Muniz, that is:

December 05, 1985

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