How old was Robert Duvall in To Kill a Mockingbird?

It's common to wonder how old a celebrity was when they starred in a particular film. That kind of trivia can make the viewing experience even richer. We’re about to uncover that piece of the puzzle.

At the moment the movie To Kill a Mockingbird was being made, Robert Duvall was:

30 years old

That’s the confirmed age we calculated for the celebrity in that role.

The calculation of the shown age took into account the first day of the year in which the movie To Kill a Mockingbird was released:

January 1, 1962

And the day Robert Duvall was born, which is:

January 05, 1931

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