How old was Rob Reiner in The Jerk?

You might be surprised to learn how young—or old—some stars were in iconic scenes. That kind of trivia can make the viewing experience even richer. Let’s take a closer look at that intriguing number.

While The Jerk was being made, Rob Reiner was:

31 years old

According to our data, that’s how old the celebrity really was during the film.

To determine the age, we considered the first day of the year The Jerk premiered:

January 1, 1979

And the birth day of Rob Reiner, that is:

March 06, 1947

As films generally take less than a year from filming to release, the age of Rob Reiner during production could differ by a year from what’s shown.