On the edge of the universe, the Doctor, Leela and K9 encounter a Minyan ship on an epic quest to find their race banks... but their people have encountered the Time Lords before...
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
