How old was Alyson Hannigan in My Stepmother Is an Alien?

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 My Stepmother Is an Alien was being made, Alyson Hannigan was:

13 years old

This is the age we determined through our research and timeline.

This age was calculated based on the beginning of the release year of My Stepmother Is an Alien:

January 1, 1988

And the day in which Alyson Hannigan was born:

March 24, 1974

Given the typical time period between the filming and the release date, Alyson Hannigan could have been a year older or younger than the age shown when some scenes were being filmed.