Jon Pertwee

The Doctor

Katy Manning

Jo Grant

Nicholas Courtney

Brigadier Lethbridge-Stewart

Richard Franklin

Captain Mike Yates

John Levene

Sergeant Benton

Roger Delgado

The Master

Paul Grist

Bill Filer

Peter Bathurst

Chinn

David G. March

Fernanda Marlowe

Corporal Bell

Donald Hewlett

George Hardiman

David Savile

Winser

Derek Ware

Pigbin Josh

Bernard Holley

Axon Man

Michael Walker

1st Radio Operator

David March

2nd Radio Operator

Patricia Gordino

Axon Woman

John Hicks

Axon Boy

Debbie Lee London

Axon Girl

Tim Pigott-Smith

Captain Harker

Kenneth Benda

The Minister

Royston Farrell

Technician

Michael Ferguson

Director

Bob Baker

Guión

Dave Martin

Guión

Terrance Dicks

Script Editor

A.A. Englander

Director de Fotografía, Camera Operator

Ron Grainer

Compositor de la Música Original

Dudley Simpson

Compositor de la Música Original, Música

Dave Kitchen

Sound

Barry Letts

Productor

BBC

Compañía de Produccion

Marion McDougall

Production Assistant

Jan Harrison Shell

Maquilladora

Rhian Davies

Maquilladora

Barbara Lane

Diseño de Vestuario

Bob Rymer

Editor

Kenneth Sharp

Diseño de Producción

John Horton

Visual Effects

Ralph Walton

Lighting Director