출연진
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