Director/a
Christopher Barry
DIRECTOR/A
Keith Barnfather
Reparto (por orden de créditos)
Nicholas Courtney
Brigadier 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
Kathy Coulter
Receptionist
Alexander Landen
Gordon Lethbridge-Stewart
Jonathan Clarkson
Chilly 1
Miles Cherry
Chilly 2
Richard Landen
Lead Yeti
David J. Howe
Yeti
Tony Clark
Conrad Turner
Stephen Bradshaw
UNIT Soldier
Keith Brooks
Mark Moore
Gabriel Mykaj
John Reddington
Caroline Adam
Chilly
Bernardo Allen
Daisy Ashford
Patrick Barker
Daniel Beagles
Tom Beevers
Helen Bibby
Will Bird
Hannah Boutton
Michelle Brady
Louise Bullock
Sally Burrell
Emma Butt
Chris Challis
Rebecca Colley
Paul Coslett
Myoko Costello
Simon Cox
Neil Currant
Nina Dobson
Anita Frank
Pasquale Frewer
Louise Gray
Helen Greenwood
Lisa Grigg
Ian Hayllar
Joe Hickey
Alex Izzo
Derek Johnson
Marina Johnston
Richard Jones
Andrew Stitt King
Robin Lindsay
Charles Marenghi
Ben Marion
Gabriella Mauch
Scott Miller
Dave Owens
Sonia Paternosta
Emma Penruddock
Matthew Radford
Simon Raisey
Peter Robinson
Sergio Rosendo
Andrew Savory
Heike Schröder
Steven Shaw
Ben Shepherd
Eli Silverman
Lucy Smith
Zeb Soanes
Romek Szczesniak
Nina Terlinden
Posy Walton
Matt West
Kelly Westlake
Richard Wood