Guest Stars James Coombes as Paroli Norman Comer as Icthar Tom Adams as Vorshak Nigel Humphreys as Bulic Ian McCulloch as Nilson Vincent Brimble as Tarpok Tara Ward as Preston Nitza Saul as Karina Martin Neil as Maddox Christopher Farries as Sauvix Stuart Blake as Scibus Ingrid Pitt as Solow