How old was Robert Knepper in The Day the Earth Stood Still?

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. We’re about to uncover that piece of the puzzle.

The age of Robert Knepper while starring in The Day the Earth Stood Still was:

48 years old

That’s the confirmed age we calculated for the celebrity in that role.

This age was calculated based on the beginning of the release year of The Day the Earth Stood Still:

January 1, 2008

And the day in which Robert Knepper was born:

July 08, 1959

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