How old was Chevy Chase in National Lampoon's Vacation?

It's common to wonder how old a celebrity was when they starred in a particular film. Knowing that can offer insight into their career stage and personal growth. We’re about to uncover that piece of the puzzle.

The age of Chevy Chase while starring in National Lampoon's Vacation was:

39 years old

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

The shown age corresponds to the celebrity’s age at the very start of the release year of National Lampoon's Vacation:

January 1, 1983

And the date of birth of Chevy Chase, that is:

October 08, 1943

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