Jamie tries to evade Yeti in the tunnels of the London Underground. Meanwhile, The Doctor and Victoria meet a potential new ally - Colonel Lethbridge-Stewart.
Patrick Troughton
The Doctor (voice)
Frazer Hines
Jamie McCrimmon (voice)
Deborah Watling
Victoria Waterfield (voice)
Nicholas Courtney
Colonel Lethbridge-Stewart (voice)
Jack Watling
Professor Travers (voice)
Tina Packer
Anne Travers (voice)
Gary Russell
Executive Producer
Jason Haigh-Ellery
Selina Fenech
Art Direction
Russell Minton
Producer
Damian Shanahan
Associate Producer
Adam Boys
Director
Mervyn Haisman
Writer
Henry Lincoln
Delia Derbyshire
Theme Song Performance
