The main cast of the classic film The Sound of Music centers on the von Trapp family, with Julie Andrews and Christopher Plummer leading an ensemble that has remained iconic since the movie’s 1965 release. The film also features a group of child actors as the seven von Trapp children, plus key supporting roles like the Baroness, Max Detweiler, and the Mother Abbess.

Main film cast

  • Julie Andrews as Maria (the governess who brings music and joy to the von Trapp family).
  • Christopher Plummer as Captain Georg von Trapp , the widowed naval officer and strict but loving father.
  • Eleanor Parker as Baroness Elsa von Schraeder , the Captain’s wealthy love interest.
  • Richard Haydn as Max Detweiler , the charming family friend and music promoter.
  • Peggy Wood as Mother Abbess , the wise head of the abbey who guides Maria.

The seven von Trapp children

  • Charmian Carr as Liesl von Trapp , the eldest, known for “Sixteen Going on Seventeen.”
  • Nicholas Hammond as Friedrich von Trapp , the second-oldest child.
  • Heather Menzies as Louisa von Trapp , the mischievous third child.
  • Duane Chase as Kurt von Trapp , the middle son.
  • Angela Cartwright as Brigitta von Trapp , the bookish daughter.
  • Debbie Turner as Marta von Trapp , the gentle younger daughter.
  • Kym Karath as Gretl von Trapp , the youngest child.

Key facts at a glance (HTML table)

Character Actor Role type
Maria Julie Andrews Main lead
Captain Georg von Trapp Christopher Plummer Main lead
Baroness Elsa von Schraeder Eleanor Parker Supporting
Max Detweiler Richard Haydn Supporting
Mother Abbess Peggy Wood Supporting
Liesl von Trapp Charmian Carr Von Trapp child
Friedrich von Trapp Nicholas Hammond Von Trapp child
Louisa von Trapp Heather Menzies Von Trapp child
Kurt von Trapp Duane Chase Von Trapp child
Brigitta von Trapp Angela Cartwright Von Trapp child
Marta von Trapp Debbie Turner Von Trapp child
Gretl von Trapp Kym Karath Von Trapp child

Trending and “where are they now”

Even decades later, The Sound of Music cast still trends periodically whenever reunion interviews, anniversaries, or behind‑the‑scenes clips resurface, especially around major milestones like the film’s 50th anniversary. Fans on forums and social platforms continue to discuss favorite performances, songs, and “who was your favorite von Trapp kid?” threads, keeping the cast’s legacy very active online.

Many viewers discover the film through streaming or holiday TV reruns and then head straight to forums to ask: “Who played Maria?” or “Is Liesl still alive?”—so the cast list itself has become a mini evergreen topic.

Information gathered from public forums or data available on the internet and portrayed here.