The Doctor

William Hartnell

Susan Foreman

Carole Ann Ford

First Victim

Tom Booth

Aztec Captain

Dave Anderson

Barbara Wright

Jacqueline Hill

Ian Chesterton

William Russell

Autloc

Keith Pyott

Tlotoxl

John Ringham

Tonila

Walter Randall

Perfect Victim

André Boulay

Ixta

Ian Cullen

Cameca

Margot Van der Burgh

Producer

Verity Lambert

Fight Choreographer

Derek Ware

Associate Producer

Mervyn Pinfield

Costume Design

Daphne Dare

Story Editor

David Whitaker

Director

John Crockett

Writer

John Lucarotti

Conductor

Marcus Dods

Music

Richard Rodney Bennett

Makeup Supervisor

Jill Summers