How old was Jane Fonda in Monster-in-Law?

Knowing a celebrity’s age during a specific movie can be oddly satisfying. That knowledge can reshape how we view their performance. Let’s reveal how old they were when the cameras rolled.

In Monster-in-Law, Jane Fonda took on the role at the age of:

67 years old

That was the real age of the celebrity according to our calculation.

Our method involved using the first calendar day of the release year of Monster-in-Law:

January 1, 2005

And the day Jane Fonda was born, which is:

December 21, 1937

As films generally take less than a year from filming to release, the age of Jane Fonda during production could differ by a year from what’s shown.