Charmian Carr, the actress widely recognized for her role as Liesel in "The Sound of Music," passed away Saturday. Carr, who was 73-years-old, succumbed to a rare type of dementia, according to a statement released by her family. 

Carr is widely known for her role as the eldest Von Trapp daughter alongside Julie Andrews in the famous 1965 musical. Rodgers and Hammerstein Organization confirmed the star’s death Monday, and a statement was published on the actresses’ website.

After her role as Liesel, Carr left the film industry and became an interior designer in California. Her clients included Ernest Lehman, the screenwriter for "The Sound of Music," and pop star Michael Jackson, according to CNN.

In the wake of her death, Kym Karath, the fellow actress who played Gretl, the youngest of the Von Trapp children in the musical, took to Twitter to express her condolences, writing, “It is with infinite sadness that I share the tragic news that the precious & exquisite Charmian Carr, beautiful Liesel, has passed away.”

With its lively cast, storyline and music score, "The Sound of Music" quickly became an American classic that went on the garner five Academy Awards, including Best Picture. Over 50 years after the film’s debut, here what we know about where the cast is now:

Kym Karath (Gretl): Following her role as the youngest daughter in "The Sound of Music," Karath went on the act in television shows like "Lost in Space" and "The Brady Bunch." She graduated from the University of Southern California with a degree in humanities. She currently lives in Los Angeles and continues to act, according to IMDb.

Debbie Turner (Marta): Turner left the business after "The Sound of Music" and worked at a ski resort where she met her husband. She now lives in Minnesota and is a floral designer.

Angela Cartwright (Brigitta): Cartwright followed up "The Sound of Music" by playing the role of Penny Robinson in the television show "Lost in Space." Since the 70s, Cartwright no longer acts.

Duane Chase (Kurt): Following his role as Kurt von Trappe, Chase eventually left the industry and lived in Los Angeles where he worked with a forestry service. According to IMDB, he is now a computer software analyst and designer for oil and mining companies.

Nicholas Hammond (Friedrich): Hammond continued to act and eventually moved to Sydney, Australia, where he is now a screenwriter, director and actor.

Heather Menzies-Urich (Louisa): Menzies continued to act and eventually appeared in the science fiction television series "Logan’s Run." She now lives in Los Angeles with her family and works for the Urich Fund for Sarcoma Research at the University of Michigan Comprehensive Cancer Center.

Christopher Plummer (Captain Von Trapp): Plummer is a successful actor who has appeared in films like "Cleopatra" and "A Beautiful Mind." He wrote an autobiography and now lives with his third wife in Connecticut.

Julie Andrews (Maria): Andrews has maintained a successful career as a performer and actress. She continued to act in films like "Mary Poppins" and "Thoroughly Modern Millie." Andrews has recently lent her voice to successful voice acting roles in "Enchanted," "Shrek The Third" and "Despicable Me."