Doctor Doctor Who Guide
Last updated 31 May 2015


Episode 2

Episode 2

Series Episode Number: 273

World Premiere: Sat 16 May 1970 - 5:16pm BST [BBC One] (United Kingdom)
First Broadcast: Thu 30 Oct 1975 - 6:30pm CST [WTTW 11 Chicago]
Running Time: 22 minutes 4 seconds

5.90 Million (UK)

Appreciation Index: 61 (UK)

Chart Position: 66 () (UK)

Recorded on Fri 24 Apr 1970 in TC3 / TC6
Archive State: RSC conver



The green slime oozing from the drill head is transforming men into monsters. Stahlman refuses to listen to the warnings and resorts to sabotage so that his project may continue.


Characters hide uncredited
Doctor WhoJon Pertwee
Liz ShawCaroline John
Brigadier Lethbridge-StewartNicholas Courtney
Professor StahlmanOlaf Pooley
Sir Keith GoldChristopher Benjamin
Greg SuttonDerek Newark
Petra WilliamsSheila Dunn
Sergeant BentonJohn Levene
Private WyattDerek Ware
Harry SlocumWalter Randall
BromleyIan Fairbairn
Technician (inferno Project)Norton Clark (uncredited)
Technician (inferno Project)Bertie Green (uncredited)
Technician (inferno Project)Patricia Matthews (uncredited)
Technician (inferno Project)Corrine Skinner (uncredited)
Technician (inferno Project)June Gray (uncredited)
Technician (inferno Project)Alan Clements (uncredited)
Technician (inferno Project)Keith Norris (uncredited)
Technician (inferno Project)Richard Cooper (uncredited)
Technician (inferno Project)Harry Tierney (uncredited)
Technician (inferno Project)Sheila Knight (uncredited)
Technician (inferno Project)Joan Harsant (uncredited)
Technician (inferno Project)Richard Lawrence (uncredited)
Technician (inferno Project)Richard King (uncredited)
Technician (inferno Project)Derek Hunt (uncredited)
Technician (inferno Project)Valerie Bland (uncredited)
Technician (inferno Project)Robert Birmingham (uncredited)
Technician (inferno Project)Keith Ashley (uncredited)
Technician (inferno Project)Michael Earl (uncredited)