The Sound of Music Character Guide
The von Trapp Children
The seven von Trapp children are the heart of the show. From eldest to youngest they are Liesl, Friedrich, Louisa, Kurt, Brigitta, Marta, and Gretl. They start as a regimented, whistle-obeying unit under their father's strict rule and blossom into joyful, music-loving children under Maria's care. Do-Re-Mi and So Long Farewell are their showcase numbers, and each child has a distinct personality that gives every dancer a moment to shine.
Personality for Dance
As a group, the children move in formation at first, stiff and synchronised like little soldiers. They stand in height order, respond to the whistle in unison, and suppress any individuality. As Maria's influence takes hold, their movement loosens. They start breaking formation, improvising, bumping into each other, laughing. By Do-Re-Mi they are a joyful mess of individual personalities moving together by choice rather than command. Friedrich is serious and protective. Louisa is mischievous and quick. Kurt is eager and slightly clumsy. Brigitta is bookish and observant. Marta is gentle and clingy. Gretl is tiny, wide-eyed, and follows everyone else a beat behind.
The Outfit
Top
For the early regimented scenes, matching sailor-style tops in navy blue with white collars and trim. Every top identical, emphasising the uniformity the Captain demands. For the play clothes scenes after Maria arrives, mismatched tops made from curtain fabric, warm colors like green, gold, cream, and rust. Each child can have a slightly different cut while keeping the same fabric family.
Bottom
Matching navy shorts or skirts for the early scenes. Girls in pleated skirts, boys in tailored shorts, all the same length. For the play clothes, looser fitting shorts, skirts, or trousers in the same curtain-fabric palette. Let the younger children have slightly shorter, more childish cuts.
Accessories
Matching ribbons or hair clips for the girls in the early scenes, all identical. A whistle on a cord if one of the children mimics the Captain for comedy. For the puppet show in The Lonely Goatherd, simple hand puppets or stick puppets for each child.
Shoes
Polished black shoes for the early scenes, all matching. Brown sandals or soft shoes for the mountain and play scenes. The youngest children need flat, secure shoes they can run and jump in safely.
Hair
Neat and identical styles for the early scenes. Girls in matching braids or ponytails, boys with combed side parts. After Maria arrives, the hair loosens. Braids come undone, clips slide, and that is fine. The visual messiness tells the story of children being allowed to be children.
Special Details
The costume change from uniforms to play clothes is a significant storytelling moment. If budget allows, do it on stage. The children can peel off their sailor tops to reveal the colorful clothes underneath, or Maria can distribute the new outfits while the music plays. The audience should see the transformation happen.
Movement Tips
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So Long Farewell is the showpiece for individual moments. Each child says goodnight in their own way, from Gretl's sleepy wave to Friedrich's formal bow. Choreograph a unique four to eight counts for each child so the audience gets to know them individually before the final group exit. -
Do-Re-Mi builds from Maria teaching a single note to the full group singing and dancing together. Stage it as a journey, starting in a tight cluster around Maria and gradually expanding to fill the whole stage. Each note can bring a new formation or level change. -
The Lonely Goatherd puppet show lets the children be playful and theatrical. Exaggerated puppet movements, bouncing yodelling gestures, and comic timing between the puppeteers. This is their fun number. -
In the early whistle scenes, the children should snap to attention identically. Practice the unison responses until they are sharp. The comedy comes from the precision. Later, when they start resisting, one child breaks formation first and the others follow gradually. -
Height order is your friend. Line the children up tallest to shortest for visual impact in group choreography. In So Long Farewell, reverse it for the exits, youngest first, so the stage empties from smallest to tallest.
This is the role that makes The Sound of Music perfect for dance schools. Cast seven children aged 5-16, matching the von Trapp ages as closely as possible. The youngest (Gretl] can be as young as 3-4 if she is comfortable on stage. The oldest (Friedrich and Louisa] should be strong enough dancers to anchor the group in formations. Every age group in your school can participate, which makes this theme ideal for a full-school recital. If you have more children than roles, double-cast or add extra von Trapp cousins for the party scene.
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