How old was Maggie Smith in Harry Potter and the Prisoner of Azkaban?

It's common to wonder how old a celebrity was when they starred in a particular film. That knowledge can reshape how we view their performance. We’ve got the answer you’ve been looking for.

In the movie Harry Potter and the Prisoner of Azkaban, Maggie Smith was:

69 years old

That number reflects the celebrity’s real age when the movie was made.

This age was calculated based on the beginning of the release year of Harry Potter and the Prisoner of Azkaban:

January 1, 2004

And the day Maggie Smith was born, which is:

December 28, 1934

Because movies often premiere within a year of starting production, Maggie Smith might have been either one year younger or older while filming some scenes.