출연진
William Hartnell
The Doctor
피터 퍼브스
Steven Taylor
Jackie Lane
Dodo Chaplet
Eric Elliott
Commander
Inigo Jackson
Zentos
Roy Spencer
Manyak
Michael Sheard
Rhos
Kate Newman
Mellium
Ian Frost
Baccu
Stephanie Heesom
Guardian
Paul Greenhalgh
Guardian
Edmund Coulter
Monoid
Frank George
Monoid
Ralph Carrigan
Monoid
John Caesar
Monoid
Roy Skelton
Monoid Voice
John Halstead
Monoid Voice
Terence Woodfeld
Maharis
Brian Wright
Dassuk
Eileen Helsby
Venussa
Terence Bayler
Yendom