Guest Stars John Scott Martin as Dalek Operator Roy Skelton as Dalek Voice Michael Wisher as Davros Cy Town as Dalek Operator 2 Peter Miles as Nyder Stephen Yardley as Sevrin Dennis Chinnery as Gharman Keith Ashley as Dalek Operator Tom Georgeson as Kavell Harry Van Engel as Kaled Scientist Harriet Philpin as Bettan Paddy Ryan as Kaled Scientist Alan Chuntz as Elite Guard Terry Walsh as Kaled Scientist Jim Dowdall as Elite Guard Peter Mantle as Kaled Guard