Ami Foster

Kristi

Danny Cooksey

Crown Prince Bu

Vincent Price

King Ulvik (Right Head) / Kristi and Sonja's Father

Jonathan Winters

King Ulvik (Left Head)

Don Knotts

Professor Nidaros

Cloris Leachman

Queen Sirena

Charlie Adler

Stav

Michael Bell

Ribo / Krill

William Christopher

Bjørn

Laurie Faso

Prince Borch (Left Head)

Christina Lange

Sonja

Rob Paulsen

Prince Borch (Right Head)

Neil Ross

Prince Prag (Right Head)

B.J. Ward

Bjørn's Wife

Frank Welker

Prince Prag (Left Head)

Alvy Dorman

Malfred