Guest Stars Donogh Rees voices Necrolai Oliver Driver voices Jenji Peter Daube voices Sculpin Josephine Davison voices Itassis Derek Judge voices Black Lance Chris Graham as Leanbow John Leigh voices The Master Susan Brady voices Mystic Mother Paolo Rotondo voices Snow Prince Brigitte Berger as Nikki Pimvare Uncredited Cameron Rhodes voices Matoombo Machiko Soga as Mystic Mother