Ηθοποιοί επεισοδίου
William HartnellThe Doctor
Carole Ann FordSusan Foreman
William RussellIan Chesterton
Jacqueline HillBarbara Wright
★
Robert JewellDalek (operator)
David GrahamDaleks (voice)
Peter HawkinsDaleks (voice)
★
Kevin ManserDalek (operator)
Michael SummertonDalek (operator)
Alan WheatleyTemmosus
★
John LeeAlydon
Virginia WetherellDyoni
Philip BondGanatus
Gerald TaylorDalek (operator)