How old was Zac Efron in The Derby Stallion?

It's common to wonder how old a celebrity was when they starred in a particular film. Knowing that can offer insight into their career stage and personal growth. We’re about to uncover that piece of the puzzle.

At the moment the movie The Derby Stallion was being made, Zac Efron was:

17 years old

According to our findings, that was the correct age of the celebrity.

We calculated the age by referencing the first day of the year The Derby Stallion was launched:

January 1, 2005

And the date of birth of Zac Efron, which is:

October 18, 1987

Considering the usual time period between filming and release, Zac Efron may have been one year younger or older than the stated age during parts of the shoot.