How old was Sigourney Weaver in Aliens?

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. Let’s take a closer look at that intriguing number.

In Aliens, Sigourney Weaver took on the role at the age of:

36 years old

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

Our method involved using the first calendar day of the release year of Aliens:

January 1, 1986

And the birth day of Sigourney Weaver, that is:

October 08, 1949

Given that most films are released within a year of production, the actual age of Sigourney Weaver during filming may have varied by one year from the shown age.