Doctor Who: The Keys of Marinus
Voltar
William HartnellThe Doctor
Carole Ann FordSusan Foreman
Jacqueline HillBarbara Wright
William RussellIan Chesterton
George CoulourisArbitan- Martin CortVoord / Warrior / Ice Soldier / Aydan
- Peter StensonVoord / Ice Soldier / Second Judge
- Gordon WalesVoord
Robin PhillipsAltos
Katherine SchofieldSabetha- Heron CarvicVoice of Morpho (voz)
- Edmund WarwickDarrius
Francis de WolffVasor- Michael AllabyIce Soldier / Larn
- Alan JamesIce Soldier / First Judge / Guard
Anthony VernerIce Soldier- Henley ThomasTarron
Raf De La TorreSenior Judge
Fiona WalkerKala
Donald PickeringEyesen- Stephen DartnellYartek
- Dougie DeanEprin (sem créditos)