Guest Stars Jeffrey Thomas as Jason Tamara Gorski as Morrigan Gina Torres as Nebula Michael Hurst as Dahak George Henare as Zarathustra Donogh Rees as Mnemosyne Stephanie Liebert as Antibius Claire Stansfield voices Mnemosyne Graeme Moran as Professor Danny Lineham as School Teacher Joseph Greer as Nikos Matthew Van Den Berg as Warrior Murray Dahm as Guard Robyn Duncan-Cox as Olivia Monique Joel as Woman Demon Convert
