Sylvester McCoy (The Doctor)
Sophie Aldred (Ace)
Ricky Groves (Markus Creevy)
Beth Chalmers (Lt Raina Kerenskaya/Sezhyr)
Nicholas Briggs (Hhessh)
John Albasiny (Major Maxim Alexandrovitch Felnikov)
Nigel Lambert (Adjudicator/Vitali Semyonovitch Wolshkin/Glarva)
John Banks (Yevgeni/Yasha Lemayev)