After becoming an orphan, Heidi is forced to live with her grandfather Öhi who lives in the mountain Alps. However he is a very bitter man who only accepts to take her in by force. Heidi's kindness may be able to open Öhi's heart. Along with Peter the goat carer and the crippled Klara, Heidi has a lot of adventures.

• Kazuko Sugiyama
• Yoshiaki Nemoto
• Miyako Shima
• Noriko Ohara
• Kohei Miyauchi
• Rihoko Yoshida
• Kaneta Kimotsuki
• Akiko Tsuboi