How old was Sean Penn in I Am Sam?

Knowing a celebrity’s age during a specific movie can be oddly satisfying. That knowledge can reshape how we view their performance. We’ve tracked down that detail for you.

During the filming of I Am Sam, Sean Penn was:

40 years old

This is the verified age of the celebrity based on our calculation.

Our method involved using the first calendar day of the release year of I Am Sam:

January 1, 2001

And the birth date of Sean Penn:

August 17, 1960

Considering the usual time period between filming and release, Sean Penn may have been one year younger or older than the stated age during parts of the shoot.