After the movie was done Quirin Agrippi (Geisenpeter) and Anuk Steffen (Heidi) announced that they will not work as actors anymore.
The most successful Swiss feature film of all times.
Sold to more than 50 countries.
The Swiss Parts of the movie were filmed in Latsch in Eastern Switzerland, the same location which was also used for the previous "Heidi"-movies Heidi et Pierre (1955) and Heidi (1952)
Final film of Hannelore Hoger.