演职人员
Kristi (voice)
Ami Foster
Crown Prince Bu (voice)
丹尼·库克西
King Ulvik (Right Head) / Kristi and Sonja's Father (voice)
文森特·普莱斯
King Ulvik (Left Head) (voice)
乔纳森·温特斯
Professor Nidaros (voice)
Don Knotts
Queen Sirena (voice)
克洛里斯·利奇曼
Stav (voice)
查尔斯·阿德勒
Ribo / Krill (voice)
Michael Bell
Bjørn (voice)
William Christopher
Prince Borch (Left Head) (voice)
Laurie Faso
Sonja (voice)
Christina Lange
Prince Borch (Right Head) (voice)
罗布·保罗森
Prince Prag (Right Head) (voice)
内尔·洛斯
Bjørn's Wife (voice)
B.J. Ward
Prince Prag (Left Head) (voice)
弗兰克·维尔克
Malfred (voice)
Alvy Dorman