Colin Baker as The Doctor

Nicola Bryant as Peri Brown

Terry Molloy as Davros

Eleanor Bron as Kara

Hugh Walters as Vogel

Clive Swift as Professor Jobel

Jenny Tomasin as Tasambeker

Trevor Cooper as Takis

Colin Spaull as Lilt

Alexei Sayle as DJ

William Gaunt as Orcini

John Ogwen as Bostock

Stephen Flynn as Grigory

Bridget Lynch-Blosse as Natasha

Alec Linstead as Arthur Stengos

Penelope Lee as Computer (voice)

John Scott Martin as Dalek

Cy Town as Dalek

Tony Starr as Dalek

Toby Byrne as Dalek

Royce Mills as Dalek (voice)

Roy Skelton as Dalek (voice)

Ken Barker as Mutant