출연진
Jon Pertwee
The Doctor
Elisabeth Sladen
Sarah Jane Smith
Nicholas Courtney
Brigadier Lethbridge-Stewart
Richard Franklin
Mike Yates
John Levene
Sergeant Benton
Noel Johnson
Sir Charles Grover
Peter Miles
Professor Whittaker
Martin Jarvis
Butler
John Bennett
General Finch
Terence Wilton
Mark
Carmen Silvera
Ruth
Brian Badcoe
Adam
Ben Aris
Lieutenant Shears
Dave Carter
Sgt. Duffy
Martin Taylor
Corporal Norton
George Bryson
Private Ogden
John Caesar
R/T Soldier
Pat Gorman
UNIT Corporal
Colin Bell
Private Bryson
Timothy Craven
Robinson
Trevor Lawrence
Lodge