"The Sound of Music" and "Knives Out" actor was 91.

Legendary actor Christopher Plummer has died. He was 91.

Reports indicate he died peacefully in his home in Connecticut on Friday, February 5, with his wife of 53 years, Elaine Taylor, at his side.

Lou Pitt, Plummer's longtime friend and manager of 46 years, said; "Chris was an extraordinary man who deeply loved and respected his profession with great old fashion manners, self deprecating humor and the music of words. He was a National Treasure who deeply relished his Canadian roots. Through his art and humanity, he touched all of our hearts and his legendary life will endure for all generations to come. He will forever be with us."

Christopher Plummer in "The Sound of Music," Courtesy of IMDb

Known for his work on screen and stage, Plummer starred in many projects over a 75-year career, including The Sound of Music and, most recently, Knives Out, among many others.

In addition to winning an Oscar for his role in Beginners, as well as being nominated for All the Money in the World and The Last Station, Plummer also earned himself two Tony Awards for the musical Cyrano and Barrymore, as well as seven nominations.