Ηθοποιοί επεισοδίου
Patrick TroughtonThe Doctor
Wendy PadburyZoe Heriot
Frazer HinesJamie McCrimmon
Nicholas CourtneyThe Brigadier
Peter HawkinsDalek (voice)
★
Stacy DaviesPrivate Perkins
★
Ian FairbairnMark Gregory
★
Derek ChaferCyberman
Terence DenvilleCyberman
Edward BurnhamProfessor Watkins
★
James ThornhillSergeant Walters
Sally FaulknerIsobel Watkins
★
Pat GormanCyberman
Peter HallidayPacker