How old was Brendan Gleeson in Before I Sleep?

Sometimes, a character’s impact makes us want to know more about the person portraying them. Knowing that can offer insight into their career stage and personal growth. Let’s take a closer look at that intriguing number.

At the moment the movie Before I Sleep was being made, Brendan Gleeson was:

41 years old

That’s the confirmed age we calculated for the celebrity in that role.

This age was calculated based on the beginning of the release year of Before I Sleep:

January 1, 1997

And the day Brendan Gleeson was born:

March 29, 1955

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