Tom Baker
The Doctor
Louise Jameson
Leela
Chris Tranchell
Andred
Milton Johns
Castellan Kelner
Dennis Edwards
Lord Gomer
Reginald Jessup
Lord Savar
Charles Morgan
Gold Usher
John Leeson
K9 (voice)
Derek Deadman
Stor
John Arnatt
Chancellor Borusa
Gerald Blake
Director
Anthony Read
Writer
Graham Williams
Producer
Dudley Simpson
Original Music Composer
Script Editor
Dee Robson
Costume Design
Delia Derbyshire
Theme Song Performance
