How old was Brendan Gleeson in Michael Collins?

There’s something captivating about discovering a celebrity’s age during a defining role. That detail can add a new layer of appreciation to their performance. We’re about to uncover that piece of the puzzle.

At the moment the movie Michael Collins was being made, Brendan Gleeson was:

40 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 Michael Collins premiered:

January 1, 1996

And the date of birth of Brendan Gleeson, that is:

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.