The Doctor - Peter Davison
Tegan - Janet Fielding
Turlough - Mark Strickson
Colonel Archer - Del Henney
Crewmember - John Adam Baker
Crewmember - Linsey Turner
Dalek Operator - John Scott Martin
Dalek Operator - Cy Town
Dalek Operator - Tony Starr
Dalek Operator - Toby Byrne
Dalek Voice - Brian Miller
Dalek Voice - Royce Mills
Davros - Terry Molloy
Galloway - William Sleigh
Kiston - Les Grantham
Lytton - Maurice Colbourne
Mercer - Jim Findley
Osborn - Sneh Gupta
Professor Laird - Chloe Ashcroft
Sergeant Calder - Philip McGough
Stien - Rodney Bewes
Styles - Rula Lenska
Trooper - Roger Davenport