Guest Stars Betty Bowden as Meg Allan Mitchell as Wagstaffe Neil Wilson as Seeley Talfryn Thomas as Mullins Helen Dorward as Nurse George Lee as Corporal Forbes John Woodnutt as Hibbert Edmund Bailey as Attendant Tessa Shaw as UNIT Officer Ellis Jones as Technician Clifford Cox as Sergeant Hamilton Dyce as Major General Scobie Antony Webb as Dr. Henderson Henry McCarthy as Dr. Beavis Prentis Hancock as 2nd Reporter Hugh Burden as Channing Derek Smee as Ransome John Breslin as Captain Munro
