The Little Troll Prince

Ami Foster

as Kristi

Danny Cooksey

as Crown Prince Bu

Vincent Price

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

Jonathan Winters

as King Ulvik (Left Head)

Don Knotts

as Professor Nidaros

Cloris Leachman

as Queen Sirena

Charlie Adler

as Stav

Michael Bell

as Ribo / Krill

William Christopher

as Bjørn

Laurie Faso

as Prince Borch (Left Head)

Christina Lange

as Sonja

Rob Paulsen

as Prince Borch (Right Head)

Neil Ross

as Prince Prag (Right Head)

B.J. Ward

as Bjørn's Wife

Frank Welker

as Prince Prag (Left Head)

Alvy Dorman

as Malfred