Credits
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
Angus MacKay
Headmaster
Stephen Garlick
Ibbotson

Roger Hammond
Dr. Runciman
Sheila Gill
Matron
Peter Walmsley
Mutant
Brian Darnley
Mutant

William Hartnell
The Doctor (1) (archive footage)

Patrick Troughton
The Doctor (2) (archive footage)

Jon Pertwee
The Doctor (3) (archive footage)

Tom Baker
The Doctor (4) (archive footage)

Roger Delgado
The Master (archive footage) (Special Edition)
Michael Kilgarriff
K1 Robot (archive footage)
Stanley Mason
Bok (archive footage) (Special Edition)
Stephen Thorne
Omega (archive footage) (Special Edition)

John Woodnutt
Duke of Forgill/Broton (archive footage) (Special Edition)
Art
Stephen Scott
Production Design
Camera
Godfrey Johnson
Camera Operator
Robin Barnes
Camera Supervisor
Costume & Make-Up
Amy Roberts
Costume Design
Sheelagh Wells
Makeup Artist
Carolyn Perry
Makeup Artist
Crew

Dick Mills
Special Sound Effects
Alan Arbuthnott
Technical Supervisor
Directing

Peter Moffatt
Director
Editing
Rod Waldron
Editor
Chris Woolley
Editor
Lighting
Don Babbage
Lighting Director
Production

John Nathan-Turner
Producer
June Collins
Production Assistant
Valerie Letley
Production Assistant
Ann Aronsohn
Production Manager
Sound

Paddy Kingsland
Original Music Composer
Martin Ridout
Sound
Ron Brown
Sound

Peter Howell
Theme Song Performance
Visual Effects
Robin Lobb
Visual Effects
Stuart Brisdon
Visual Effects Designer
Writing

Eric Saward
Script Editor

Peter Grimwade
Writer