Mysterious forces are at work in 1930s Tibet. The once gentle Yeti have turned savage and besieged a Buddhist monastery. The Second Doctor, Jamie and Victoria arrive expecting a friendly welcome from the abbot, but soon become ensnared in the plans of the extradimensional being known as the Great Intelligence.
Patrick Troughton
as The Doctor
Frazer Hines
as Jamie McCrimmon
Deborah Watling
as Victoria Waterfield
Jack Watling
as Professor Travers
Wolfe Morris
as Padmasambhava
Charles Morgan
as Songsten
Norman Jones
as Khrisong
David Grey
as Rinchen
David Spenser
as Thonmi
Raymond Llewellyn
as Sapan
David Baron
as Ralpachan
Reg Whitehead
as Yeti
