How old was Jack Nicholson in Back Door to Hell?

Curiosity about a celebrity’s age during filming is more common than you’d think. It connects us more personally to their story and evolution. Let’s take a closer look at that intriguing number.

During the filming of Back Door to Hell, Jack Nicholson was:

26 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 Back Door to Hell premiered:

January 1, 1964

And the date of birth of Jack Nicholson, which is:

April 22, 1937

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