Doctor Doctor Who Guide
Last updated 31 May 2015


Episode 7

Episode 7

Series Episode Number: 271

World Premiere: Sat 2 May 1970 - 5:15pm BST [BBC One] (United Kingdom)
First Broadcast: Tue 21 Oct 1975 - 6:30pm CDT [WTTW 11 Chicago]
Running Time: 24 minutes 32 seconds

6.40 Million (UK)

Appreciation Index: 62 (UK)

Chart Position: 80 () (UK)

Recorded on Fri 27 Mar 1970 in Television Centre 1
Archive State: PAL Restor



General Carrington is behind the kidnapping of the ambassadors and intends to turn the world against the aliens by revealing their true identity to the world in a TV broadcast.


Characters hide uncredited
Doctor WhoJon Pertwee
Liz ShawCaroline John
Brigadier Lethbridge-StewartNicholas Courtney
Carrington John Abineri
ReeganWilliam Dysart
Ralph CornishRonald Allen
John WakefieldMichael Wisher
Control Room AssistantBernard Martin
AstronautRic Felgate
AstronautSteve Peters
AstronautNeville Simons
Private JohnsonGeoffrey Beevers
Sergeant BentonJohn Levene
Alien Space CaptainPeter Noel Cook
Alien VoicePeter Halliday
HeavyAlf Joint (uncredited)
(extra)Jo Santos (uncredited)
(extra)Keith Salmon (uncredited)
(extra)Stuart Myers (uncredited)
(extra)Tom O'Leary (uncredited)
(extra)Tony Lang (uncredited)
CameramanLeslie Shannon (uncredited)
CameramanRoy Reeves (uncredited)
Control Room AssistantClive Rogers (uncredited)
Control Room AssistantDavid J Graham (uncredited)
Control Room AssistantLindsey Scott (uncredited)
Control Room AssistantRod Peers (uncredited)
Control Room AssistantSheila Vivian (uncredited)
HeavyBarry Kennington (uncredited)
Military PolicemanRoyston Farrell (uncredited)
Military PolicemanDerek Chafer (uncredited)
Military PolicemanLes Clark (uncredited)
Military PolicemanMax Diamond (uncredited)
Stunt ManMike Horsburgh (uncredited)
Stunt ManTony Broadborne (uncredited)
Stunt PolicemanLes Conrad (uncredited)
Stunt PolicemanMarc Boyle (uncredited)
Stunt UNIT SoldierDerek Ware (uncredited)
Stunt UNIT SoldierMike Stevens (uncredited)
Stunt UNIT SoldierTerry Walsh (uncredited)
StuntsBob Baline (uncredited)
UNIT SoldierDavid Aldridge (uncredited)
UNIT SoldierDavid Pike (uncredited)
UNIT SoldierRon Gregory (uncredited)
UNIT SoldierSteve Kelly (uncredited)