Cast 15

1. 

   Lorne Greene

   Grandfather (voice)

2. 

   Sammy Davis Jr.

   Head Ratte (voice)

3. Margery Grey

   Heidi (voice)

4. 

   Pamelyn Ferdin

   Klara (voice)

5. 

   Michael Bell

   Willie (voice)

6. 

   Peter Cullen

   Gruffle (voice)

7. Roger DeWitt

   Peter (voice)

8. 

   Richard Erdman

   Grimm (voice)

9. 

   Fritz Feld

   Sebastian (voice)

10. 

    Burr DeBenning

    Herr Sessmann (voice)

11. 

    Joan Gerber

    Fräulein Rottenmeier (voice)

12. 

    Virginia Gregg

    Aunt Dete (voice)

13. 

    Janet Waldo

    Tinette (voice)

14. 

    Frank Welker

    Schnoddle/Hootie (voice)

15. 

    Michael Winslow

    Mountain (voice)

Crew 3