Jon Pertwee

The Doctor

Elisabeth Sladen

Sarah Jane Smith

Nicholas Courtney

Brigadier Lethbridge-Stewart

Richard Franklin

Mike Yates

John Levene

Sergeant Benton

Peter Miles

Professor Whittaker

Martin Jarvis

Butler

John Bennett

General Finch

Carmen Silvera

Ruth

Pat Gorman

UNIT Corporal

James Marcus

Peasant