Tom Baker

The Doctor

Elisabeth Sladen

Sarah Jane Smith

Ian Marter

Harry Sullivan

Kevin Lindsay

Styre / The Marshal

Donald Douglas

Vural

Glyn Jones

Krans

Peter Walshe

Erak

Peter Rutherford

Roth

Terry Walsh

Zake

Brian Ellis

Prisoner

Rodney Bennett

Director

Bob Baker

Writer

Dave Martin

Writer

Robert Holmes

Script Editor

Philip Hinchcliffe

Producer

Dudley Simpson

Original Music Composer

Marion McDougall

Production Assistant

Dick Mills

Special Sound Effects

John Friedlander

Visual Effects

Tony Oxley

Visual Effects

Barbara Kidd

Costume Design

Sylvia James

Makeup Artist

Tommy Thomas

Lighting Director

Vic Godrich

Sound

Roger Murray-Leach

Production Design

Terry Walsh

Fight Choreographer

George Gallaccio

Production Manager

Delia Derbyshire

Theme Song Performance