The Doctor and Peri arrive on Karfel, a planet ruled by fear where the enemies of its ruler, the despotic Borad, are banished into a time tunnel known as the Timelash.
Colin Baker
as The Doctor
Nicola Bryant
as Peri Brown
Robert Ashby
as The Borad
Denis Carey
as Old Man
Paul Darrow
as Tekker
Eric Deacon
as Mykros
Neil Hallett
as Maylin Renis
Jeananne Crowley
as Vena
David Ashton
as Kendron
David Chandler
as H.G. Welles
Tracy-Louise Ward
as Katz
Peter Robert Scott
as Brunner
