How old was River Phoenix in A Night in the Life of Jimmy Reardon?

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. In this article, we reveal the age behind the role.

While A Night in the Life of Jimmy Reardon was being made, River Phoenix was:

17 years old

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

To determine the age, we considered the first day of the year A Night in the Life of Jimmy Reardon premiered:

January 1, 1988

And the birth date of River Phoenix:

August 23, 1970

Because movies often premiere within a year of starting production, River Phoenix might have been either one year younger or older while filming some scenes.