VIDEO : 'Sound of Music' Actress Heather Menzies-Urich Dies At 68

Heather Menzies-Urich, who played Louisa in The Sound of Music died on Sunday, December 24, at the age of 68. Her son Ryan Urich said his mother died on Christmas Eve, surrounded by her children and family members. ?She was an actress, a ballerina and loved living her life to the fullest,? her son said in a statement to Variety. Born in Toronto, Menzies-Urich was 15 when she was cast as the third-oldest of the seven von Trapp children in 1965?s The Sound of Music alongside Julie Andrews and Christopher Plummer. My precious friend and SOM sister Heather Menzies passed away this evening.