Cast

Peter Davison

The Doctor

Sarah Sutton

Nyssa

Janet Fielding

Tegan Jovanka

Mark Strickson

Vislor Turlough

Nicholas Courtney

Brigadier Alistair Gordon Lethbridge-Stewart

Valentine Dyall

The Black Guardian

David Collings

Mawdryn

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Angus MacKay

Headmaster

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Stephen Garlick

Ibbotson

Roger Hammond

Dr. Runciman

Crew

Peter Moffatt

Director (Directing)

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Peter Grimwade

Writer (Writing)

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Stephen Scott

Production Design (Art)

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Godfrey Johnson

Camera Operator (Camera)

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Amy Roberts

Costume Design (Costume & Make-Up)

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Chris Woolley

Editor (Editing)

Paddy Kingsland

Original Music Composer (Sound)

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Ron Brown

Sound (Sound)

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Sheelagh Wells

Makeup Artist (Costume & Make-Up)

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Carolyn Perry

Makeup Artist (Costume & Make-Up)