Calificación
Reparto

Tom Baker
The Doctor

Louise Jameson
Leela

John Leeson
K9 Mk. I (voice)

Henry Woolf
The Collector

Richard Leech
Gatherer Hade

Jonina Scott
Marn

Roy Macready
Cordo

David Rowlands
Bisham

William Simons
Mandrel

Adrienne Burgess
Veet

Michael Keating
Goudry

Carole Hopkin
Nurse

Derek Crewe
Synge

Colin McCormack
Commander

Tom Kelly
Guard