How old was Alyson Hannigan in American Reunion?

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.

In the movie American Reunion, Alyson Hannigan was at the age of:

37 years old

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

To determine the age, we considered the first day of the year American Reunion premiered:

January 1, 2012

And the birth date of Alyson Hannigan:

March 24, 1974

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