Tom Baker
The Doctor
Tom Baker
The Doctor
Louise Jameson
Leela
John Leeson
K-9 Mk. I (voice)
James Maxwell
Jackson
Alan Lake
Herrick
Jonathan Newth
Orfe
Imogen Bickford-Smith
Tala
Christine Pollon
Voice of the Oracle
James Marcus
Rask
Godfrey James
Tarn
Jimmy Gardner
Idmon
Norman Tipton
Idas
Jay Neill
Klimt
Frank Jarvis
Ankh
Richard Shaw
Lakh
Stacey Tendeter
Naia
Norman Stewart
Director
Dave Martin
Writer
Bob Baker
Writer
Anthony Read
Script Editor
Graham Williams
Producer
Dudley Simpson
Original Music Composer