How old was Jack Nicholson in The Cry Baby Killer?

When watching a memorable performance, one might wonder how old a celebrity was at the time. Knowing that can offer insight into their career stage and personal growth. We’ve got the answer you’ve been looking for.

At the moment the movie The Cry Baby Killer was being made, Jack Nicholson was:

20 years old

This is the age we determined through our research and timeline.

Our method involved using the first calendar day of the release year of The Cry Baby Killer:

January 1, 1958

And the birth date of Jack Nicholson:

April 22, 1937

Given that most films are released within a year of production, the actual age of Jack Nicholson during filming may have varied by one year from the shown age.