How old was Sienna Miller in Casanova?

You might be surprised to learn how young—or old—some stars were in iconic scenes. It connects us more personally to their story and evolution. Let’s take a closer look at that intriguing number.

In the movie Casanova, Sienna Miller was at the age of:

23 years old

That number reflects the celebrity’s real age when the movie was made.

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

January 1, 2005

And the date of birth of Sienna Miller, that is:

December 28, 1981

Given the typical time period between the filming and the release date, Sienna Miller could have been a year older or younger than the age shown when some scenes were being filmed.