How old was Katharine Hepburn in Mary of Scotland?

It's common to wonder how old a celebrity was when they starred in a particular film. That detail can add a new layer of appreciation to their performance. Here’s the age that matched the moment.

At the moment the movie Mary of Scotland was being made, Katharine Hepburn was:

28 years old

After checking the dates, that’s the calculated age of the celebrity.

To determine the age, we considered the first day of the year Mary of Scotland premiered:

January 1, 1936

And also the day Katharine Hepburn was born:

May 12, 1907

Considering the usual time period between filming and release, Katharine Hepburn may have been one year younger or older than the stated age during parts of the shoot.