Last updated 24 March 2024


Part One

Series Episode Number: 534

World Premiere: Sat 25 Oct 1980 - 5:40pm BST [BBC One] (United Kingdom)
First Broadcast: Sun 29 Nov 1981 - 11:15pm CST [WTTW 11 Chicago]
Running Time: 24 minutes 23 seconds

5.90 Million (UK)


Chart Position: 106 () (UK)

Recorded on Thu 07 Aug 1980 in Television Centre 3



The TARDIS enters the universe of E-Space and lands on the planet Alzarius where Mistfall is occurring and creatures are stirring in the swamp.

Characters hide uncredited
Doctor WhoTom Baker
RomanaLalla Ward
LoginGeorge Baker
DraithLeonard Maguire
NefredJames Bree
GarifAlan Rowe
DexeterTony Calvin
AdricMatthew Waterhouse
VarshRichard Willis
TylosBernard Padden
KearaJune Page
OmrilAndrew Forbes
RysikAdrian Gibbs
Voice of K-9John Leeson
CitizenAlexander Joanner (uncredited)
CitizenAmanda Winn (uncredited)
CitizenArthur Parry (uncredited)
CitizenBerverly Jennings (uncredited)
CitizenBobby James (uncredited)
CitizenChris Cole (uncredited)
CitizenChris Holmes (uncredited)
CitizenDavid Brody (uncredited)
CitizenDavid Payne (uncredited)
CitizenJerry Judge (uncredited)
CitizenJill Anette (uncredited)
CitizenJulie Mellon (uncredited)
CitizenKaty Jarret (uncredited)
CitizenKay Williams (uncredited)
CitizenKevin O'Brien (uncredited)
CitizenMartin Grant (uncredited)
CitizenMartin McEnvoy (uncredited)
CitizenMichael Dray (uncredited)
CitizenMike Mungarvan (uncredited)
CitizenMykel Mills (uncredited)
CitizenNicki Dunsford (uncredited)
CitizenRay Hatfield (uncredited)
CitizenRay Sumby (uncredited)
CitizenRobert Smythe (uncredited)
CitizenRobin Squire (uncredited)
CitizenSarah Parry (uncredited)
CitizenSimon Ramirez (uncredited)
CitizenStephen Kane (uncredited)
CitizenSteve Ismay (uncredited)
CitizenTim Goodings (uncredited)
MarshmanBarney Lawrence (uncredited)
MarshmanGraham Cole (uncredited)
MarshmanJames Jackson (uncredited)
MarshmanKeith Guest (uncredited)
MarshmanStephen Watson (uncredited)
MarshmanSteve Kelly (uncredited)
Stunt ManStuart Fell (uncredited)
OutlerNick Staverson (uncredited)
OutlerTerry John Wood (uncredited)
SwimmerAndrew Mason (uncredited)
SwimmerDavid Greenaway (uncredited)
Production Teamhide uncredited
WriterAndrew Smith
DirectorPeter Grimwade
ProducerJohn Nathan-Turner
Executive ProducerBarry Letts
DesignerJanet Budden
Script EditorChristopher H Bidmead
Title SequenceSid Sutton
Costume DesignerAmy Roberts
Makeup ArtistFrances Needham
Studio LightingMike Jefferies
Studio SoundJohn Holmes
Technical Manager (TM2)Jeff Jeffery
Senior CameramanAlan Kerridge
Visual Effects DesignerJohn Brace
Video EffectsA J Mitchell
Vision MixerCarol Johnson
Videotape EditorRod Waldron
Film CameramanMax Samett
Film SoundMervin Broadway
Film EditorMike Houghton
Production AssistantSusan Box
Production Unit ManagerAngela Smith
Director's AssistantPatricia Greenland
Assistant Floor ManagerLynn Richards
Incidental MusicPaddy Kingsland
Special SoundDick Mills
Floor AssistantStephen Jones
K9 OperatorSteve Cambden (uncredited)
Title MusicRon Grainer (uncredited)
Title Music ArrangerPeter Howell (uncredited)
Production Unit ManagerJanet Radenkovic (uncredited)
Visual Effects AssistantSteve Keates (uncredited)
Visual Effects AssistantCharles Jeanes (uncredited)
Visual Effects AssistantSimon Tayler (uncredited)
Grams OperatorJames Cadman (uncredited)
Film Operations ManagerGraham Richmond (uncredited)
Film OpsJoe Bates (uncredited)
Film OpsLeslie Thomas (uncredited)
Film OpsIan Gosling (uncredited)
GripRoy Russell (uncredited)
Props BuyerJohn Bush (uncredited)
Film LightingDave Child (uncredited)
Film Camera AssistantJohn Morris (uncredited)
Film Camera AssistantIan Dabbs (uncredited)
Film Sound AssistantPatrick Quirk (uncredited)
DresserJohn Atkins (uncredited)
DresserRoy Prichard (uncredited)
DresserArabella Shaw (uncredited)
DresserTom Reeve (uncredited)
DresserMel Freedman (uncredited)
Makeup (Assistant)Julie Shepherd (uncredited)
Makeup (Assistant)Caroline Gibbs (uncredited)
Makeup (Assistant)Eve Barker (uncredited)
Makeup (Assistant)Christine Vidler (uncredited)
Design AssistantClaire Tinsley (uncredited)