Guest Stars Jerry Holmes as Cyberman Donald Sumpter as Enrico Casali Clare Jenkins as Tanya Lernov Eric Flynn as Leo Ryan Michael Turner as Jarvis Bennett James Mellor as Sean Flannigan Derrick Gilbert as Armand Vallance Michael Goldie as Elton Laleham Anne Ridler as Dr. Gemma Corwyn Peter Laird as Chang Kenneth Watson as Bill Duggan Kevork Malikyan as Kemel Rudkin
