The Little Troll Prince (1987)

Ami Foster

as Kristi (voice)

Danny Cooksey

as Crown Prince Bu (voice)

Vincent Price

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

Jonathan Winters

as King Ulvik (Left Head) (voice)

Don Knotts

as Professor Nidaros (voice)

Cloris Leachman

as Queen Sirena (voice)

Charlie Adler

as Stav (voice)

Michael Bell

as Ribo / Krill (voice)

William Christopher

as Bjørn (voice)

Laurie Faso

as Prince Borch (Left Head) (voice)

C

Christina Lange

as Sonja (voice)

Rob Paulsen

as Prince Borch (Right Head) (voice)

Neil Ross

as Prince Prag (Right Head) (voice)

B.J. Ward

as Bjørn's Wife (voice)

Frank Welker

as Prince Prag (Left Head) (voice)