On screen
Cast
16 credited performers
Tom Baker
The Doctor
Louise Jameson
Leela
John Leeson
K-9 Mk. I (voice)
James Maxwell
Jackson
Alan Lake
Herrick
Artwork unavailable
Jonathan Newth
Orfe
Imogen Bickford-Smith
Tala
Artwork unavailable
Christine Pollon
Voice of the Oracle
James Marcus
Rask
Godfrey James
Tarn
Jimmy Gardner
Idmon
Artwork unavailable
Norman Tipton
Idas
Artwork unavailable
Jay Neill
Klimt
Artwork unavailable
Frank Jarvis
Ankh
Artwork unavailable
Richard Shaw
Lakh
Artwork unavailable
Stacey Tendeter
Naia