"The Sound of Music" actress Heather Menzies-Urich died on Dec. 24 at the age of 68.
Menzies-Urich, who played, Louisa von Trapp in the 1965 classic movie musical "The Sound Of Music" with Julie Andrews, died from brain cancer, reports the Daily Mail.
"She was an actress, a ballerina and loved living her life to the fullest," her son Ryan Urich said, Variety reports. "She was not in any pain but, nearly four weeks after her diagnosis of terminal brain cancer, she had enough and took her last breath on this earth at 7:22 p.m."
Menzies-Urich, who was born in Canada, first appeared in the TV series "The Farmer’s Daughter" in 1964, before being cast as the third-oldest of the von Trapp children in "The Sound of Music" at age 14.
The film, an adaptation of the Rodgers and Hammerstein musical, won five Academy Awards, including Best Picture.
Menzies-Urich also acted in various other films, including "Hawaii," "The Computer Wore Tennis Shoes," "Piranha" and "Endangered Species."
She also appeared on TV shows including "Dragnet," "Bonanza," "Marcus Welby M.D.," "The Bob Newhart Show" and "Logan's Run."
Menzies-Urich was also involved in philanthropic ventures. After husband Robert Urich died in 2002 of a rare form of cancer, Menzies-Urich created the Robert Urich Foundation.
The organization raises money for cancer research and to support cancer patients.
Many were devastated to learn she had died.
"I am filled with infinite sadness tonight," Kym Karath, who played the role of Gretl in "The Sound of Music," wrote on Twitter. "My precious friend and SOM sister Heather Menzies passed away this evening. Devastated."
Colleagues, loved ones and fans paid tribute to the actress.
"Heather was part of 'the family,'" said Ted Chapin, president and chief creative officer of the Rodgers & Hammerstein Organization. "There is really no other way to describe the members of the cast of the movie of 'The Sound of Music.' And of 'the kids,' Heather was a cheerful and positive member of the group, always hoping for the next gathering. We are all lucky to have known her, and she will happily live on in that beautiful movie. We will miss her."
"I still think of her as a child, hard to believe she was 68 and so sad to think of the Sound of Music children dying," wrote one fan in the Daily Mail's comments section. "She left behind a wonderful legacy. Condolences to her her family, friends and fans."
"The hills were alive with the sound of music," added another. "You brought joy. Rest in peace."
Menzies-Urich is survived by three children, several grandchildren and a great-grandchild.