How old was Christopher Plummer in The Sound of Music?

Knowing a celebrity’s age during a specific movie can be oddly satisfying. It can shift our perspective on their journey and achievements. We’re about to uncover that piece of the puzzle.

In the movie The Sound of Music, Christopher Plummer was:

35 years old

That number reflects the celebrity’s real age when the movie was made.

This age was calculated based on the beginning of the release year of The Sound of Music:

January 1, 1965

And the birth date of Christopher Plummer:

December 13, 1929

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