How old was Gillian Anderson in The X Files: I Want to Believe?

Have you ever watched a movie and found yourself curious about a celebrity’s age at the time? It connects us more personally to their story and evolution. Let’s take a closer look at that intriguing number.

In The X Files: I Want to Believe, Gillian Anderson took on the role at the age of:

39 years old

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

To determine the age, we considered the first day of the year The X Files: I Want to Believe premiered:

January 1, 2008

And the date of birth of Gillian Anderson, which is:

August 09, 1968

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