Nine-year-old Anuk Steffen plays the title role of the new Heidi film. Full of curiosity, she watches the film crew at work, and is especially intrigued by the sound engineer. Anuk takes us to a mysterious studio, where she becomes part of a fascinating experiment.
| Actor | Role |
|---|---|
 Anuk SteffenNot listed | Not listed |
| AAmadeus BodisNot listed | Not listed |