Friedrich von Trapp  

Played by Jack - Lititz

Frederich is a 14-year-old, the oldest of the boys in the family. He puts up a tough exterior and strives to be the man of the family in the frequent absence of his father. He proves a tough case for many governesses.

Louisa von Trapp  

Played by Ariana - New Cumberland

A clever girl, 13-year-old Louisa is often the culprit of various pranks and mischief of all kinds, especially directed toward her governess. Under her rebellious attitude, she deeply misses her mother.

Kurt von Trapp  

Played by Charlie - Newtown Square

Kurt, an "almost" 11-year-old, is the youngest of the two boys. While he is outwardly stubborn and strong, he finds a soft spot for Maria right from the start and seeks to be the peacemaker between the others.

Brigitta von Trapp  

Played by Carly - Landisville

Keen, smart, and hooked on books, Brigitta's obsession with reading hardly stops her from being astute and observant. She is intelligent and honest, and it sometimes gets her in trouble!

Marta von Trapp  

Played by Lucy - Hummelstown

Quiet and reserved by comparison, Marta is a sweet child who loves the color pink, and dreams of receiving a pink parasol dress for her birthday.

Gretl von Trapp  

Played by Penny - Lancaster

Shy but impossibly sweet, Gretl immediately becomes attached to her new governess, Maria. As the youngest of the Von Trapp children, she finds a place in Maria's heart as well.