Ηθοποιοί επεισοδίου
Peter DavisonDr Stephen Daker
Graham CrowdenDr Jock McCannon
Barbara FlynnDr Rose Marie
David TroughtonDr Bob Buzzard
★
Elaine TurrellNun
★
Sonia HartNun
Joanna KanskaGrete Grotowska
Michael ShannonVice-Chancellor Jack Daniels
Lindy WhitefordMaureen Cahagan
Gillian RaineMrs Kramer
Colin StintonCharlie Dusenberry
James GroutProfessor George Bunn
★
Dominic ArnoldSammy Limb
Chris JuryPeter Wagstaff