The Doctor
Peter Davison
Adric
Matthew Waterhouse
The Doctor (archive footage)
Tom Baker
The Watcher (archive footage)
Adrian Gibbs
Nyssa
Sarah Sutton
Tegan Jovanka
Janet Fielding
The Master / The Portreeve
Anthony Ainley
Head of Security
Dallas Cavell
Ruther
Frank Wylie
Shardovan
Derek Waring
Mergrave
Michael Sheard
Child
Souska John
Producer
John Nathan-Turner
Visual Effects
Dave Chapman
Costume Design
Odile Dicks-Mireaux
Director
Fiona Cumming
Writer
Christopher H. Bidmead
Camera Operator
John Baker
Production Design
Janet Budden
Editor
Mike Houghton
Script Editor
Eric Saward
Lighting Director
Ron Bristow
Original Music Composer
Paddy Kingsland
Sound
Jim McAlister
Robin Jackman
Special Sound Effects
Dick Mills
Makeup Artist
Marion Richards
Rod Waldron
Production Assistant
Olivia Cripps
Visual Effects Designer
Simon McDonald