
Retired commander of the United Nations' Intelligence Taskforce, and long-time associate of the mysterious time traveler the Doctor, Brigadier Alistair Lethbridge-Stewart faces the toughest battle of his military career when he is embroiled in a plot unwittingly set in motion by university chancellor Victoria Waterfield, herself a former companion of the Doctor, to take over the Earth by an evil alien entity called the Great Intelligence, aided by its ferocious robot Yeti cohorts. Can the Brigadier defeat this menace to the Earth without the Doctor's help?
Director:
Writer:

Nicholas Courtney
Brigadier Alistair Gordon Lethbridge-Stewart

Elisabeth Sladen
Sarah Jane Smith

Deborah Watling
Victoria Waterfield

Jack Watling
Professor Travers

Beverley Cressman
Kate Lethbridge-Stewart

Mark Trotman
Daniel Hinton

Geoffrey Beevers
'Harrods' Haroldson

Peter Silverleaf
Christopher Rice

John Leeson
Anthony the D.J.

Miles Richardson
Captain Douglas Cavendish

James Bree
Lama

Richard Landen
Lead Yeti

Stephen Bradshaw
UNIT Soldier

Keith Brooks
UNIT Soldier

Mark Moore
UNIT Soldier

Gabriel Mykaj
UNIT Soldier

Daisy Ashford
Chilly

Richard Jones
Chilly

Dave Owen
Chilly

Eli Silverman
Chilly

Zeb Soanes
Chilly