How old was Robin Williams in World's Greatest Dad?

It's common to wonder how old a celebrity was when they starred in a particular film. That knowledge can reshape how we view their performance. We’ve got the answer you’ve been looking for.

During the filming of World's Greatest Dad, Robin Williams was:

57 years old

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

Our method involved using the first calendar day of the release year of World's Greatest Dad:

January 1, 2009

And the date of birth of Robin Williams:

July 21, 1951

Since the release usually follows filming within a year, the age of Robin Williams during the actual shoot may have been a year more or less than indicated.