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
Makeup Artist
Marion Richards
Editor
Rod Waldron
Special Sound Effects
Dick Mills
Sound
Jim McAlister
Mike Houghton
Robin Jackman
Lighting Director
Ron Bristow
Production Design
Janet Budden
Script Editor
Eric Saward
Original Music Composer
Paddy Kingsland
Visual Effects Designer
Simon McDonald
Production Assistant
Olivia Cripps