Patrick Troughton

as The Doctor (voice)

Frazer Hines

as Jamie McCrimmon (voice)

Anneke Wills

as Polly Wright (voice)

Michael Craze

as Ben Jackson (voice)

Joseph Fürst

as Zaroff (voice)

Colin Jeavons

as Damon (voice)

Noel Johnson

as King Thous (voice)

Tom Watson

as Ramo (voice)

Peter Stephens

as Lolem (voice)

Catherine Howe

as Ara (voice)

P.G. Stephens

as Sean (voice)

Paul Anil

as Jacko (voice)

Roma Woodnutt

as Nola (voice)