Oscar-Winning Actor Christopher Plummer Dies At 91

Christopher Plummer, known for his role as Captain von Trapp in The Sound of Music, has passed away at the age of 91. He was also recognized for his performances in films like The Girl with the Dragon Tattoo, Up, and Knives Out. At 82, Plummer became the oldest actor to win an Academy Award for acting.

What is the title of the classic film that features Captain von Trapp?

What significant achievement did Plummer accomplish at the Academy Awards?