Part 3

Image for Part 3Not currently available on BBC iPlayer

Duration: 25 minutes

The Doctor meets Colonel Lethbridge-Stewart who takes control of the military operation against the Yeti. But the Doctor suspects that there is a traitor in their midst.


Doctor Who
Patrick Troughton
Frazer Hines
Deborah Watling
Captain Knight
Ralph Watson
Col. Lethbridge-Stewart
Nicholas Courtney
Professor Travers
Jack Watling
Anne Travers
Tina Packer
Douglas Camfield
Peter Bryant
Mervyn Haisman
Henry Lincoln


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