The Doctor
Patrick Troughton
Jamie McCrimmon
Frazer Hines
Ralpachan
David Baron
Yeti
Reg Whitehead
Tony Harwood
Richard Kerley
John Hogan
Victoria Waterfield
Deborah Watling
Professor Travers
Jack Watling
Padmasambhava
Wolfe Morris
Songsten
Charles Morgan
Khrisong
Norman Jones
Rinchen
David Grey
Thonmi
David Spenser
Sapan
Raymond Llewellyn
Writer
Mervyn Haisman
Henry Lincoln
Director
Gerald Blake
Producer
Innes Lloyd
Script Editor
Peter Bryant