The long-familiar Heidi tale is given a contemporary (and musical) setting as the young heroine leaves her familiar Swiss mountain for the bright lights of Manhattan.
| Actor | Role |
|---|---|
 Katy KurtzmanHeidi | Heidi |
 Burl IvesGrandfather | Grandfather |
 Sean MarshallPeter | Peter |
 John GavinDan Wyler | Dan Wyler |
 Marlyn MasonMady | Mady |
| SSherrie WillsElizabeth Wyler | Elizabeth Wyler |
| AAlex HenteloffChef Andre | Chef Andre |
 Charles AidmanThe Wild Man | The Wild Man |
 Walter BrookeCousin Tobias | Cousin Tobias |
 Amzie StricklandCousin Martha | Cousin Martha |
 Molly DoddMother Gertrude | Mother Gertrude |
 Adrienne MardenSister Agnes | Sister Agnes |
 Arlen StuartHotel Telephone Operator | Hotel Telephone Operator |
 Barry CahillHotel Manager Krebbs | Hotel Manager Krebbs |
 Bartlett RobinsonOscar the Butler | Oscar the Butler |
 Fred LernerJacob | Jacob |
| LLola MasonBirgitte | Birgitte |
 Buck YoungJensen | Jensen |
| KKarl EllisHarold Sands | Harold Sands |
| KKim FowlerMarie (voice) | Marie (voice) |