How old was Sarah Michelle Gellar in I Know What You Did Last Summer?

When watching a memorable performance, one might wonder how old a celebrity was at the time. Knowing that can offer insight into their career stage and personal growth. Let’s dive into that fascinating detail.

Sarah Michelle Gellar, while participating in I Know What You Did Last Summer, was:

19 years old

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

For this age we used as a reference point the first day of the year of the release of I Know What You Did Last Summer:

January 1, 1997

And the birth date of Sarah Michelle Gellar:

April 14, 1977

Since the release usually follows filming within a year, the age of Sarah Michelle Gellar during the actual shoot may have been a year more or less than indicated.