Ami Foster
Kristi
Acting
Danny Cooksey
Crown Prince Bu
Acting
Vincent Price
King Ulvik (Right Head) / Kristi and Sonja's Father
Acting
Jonathan Winters
King Ulvik (Left Head)
Acting
Don Knotts
Professor Nidaros
Acting
Cloris Leachman
Queen Sirena
Acting
Charlie Adler
Stav
Acting
Michael Bell
Ribo / Krill
Acting
William Christopher
Bjørn
Acting
Laurie Faso
Prince Borch (Left Head)
Acting
Christina Lange
Sonja
Acting
Rob Paulsen
Prince Borch (Right Head)
Acting
Neil Ross
Prince Prag (Right Head)
Acting
B.J. Ward
Bjørn's Wife
Acting
Frank Welker
Prince Prag (Left Head)
Acting
Alvy Dorman
Malfred
Acting