When the Second Doctor, Polly, Ben and Jamie visit a human colony that appears to be one big holiday camp, they think they have come across a truly happy place. Yet a shadowy presence soon makes them realise that the surface contentment is carefully controlled.
Patrick Troughton
as The Doctor
Anneke Wills
as Polly
Michael Craze
as Ben Jackson
Frazer Hines
as Jamie McCrimmon
Peter Jeffrey
as Pilot
Graham Armitage
as Barney
Ian Fairbairn
as Questa
Jane Enshawe
as Sunaa
Sandra Bryant
as Chicki
Karol Keyes
as Chicki
Maureen Lane
as Drum Majorette
Terence Lodge
as Medok
