Guest Stars Jacqueline Pearce as Ruth Klinger Wendy Hall as Receptionist in Hotel Philip Madoc as Kommandant David Scheuer as Official in Airport Godfrey Quigley as Johann Liebkind Carl Duering as MfS Colonel Paul Hansard as Oberfeld Carl Bernard as Karl Braun Gordon Sterne as Ernst Liebkind Peter Hager as Fedora Derek Prentice as Doorkeeper Gerda Koeppler as Old Crone Maria Warburg as Young German Woman Bettina Jonic as Singer in Bierstube
