Last updated 23 March 2024


Part One

Series Episode Number: 689

World Premiere: Wed 25 Oct 1989 - 7:34pm BST [BBC One] (United Kingdom)
First Broadcast: Sun 1 Sep 1996 - 11:00pm CDT [WTTW 11 Chicago]
Running Time: 24 minutes 23 seconds

4.30 Million (UK)

Appreciation Index: 67 (UK)

Chart Position: 104 () (UK)

Recorded on Mon 03 Apr 1989 in OB



As Russian forces approach the English coastline, an ancient evil stirs beneath the surface of the water. For Ace and the Doctor, a deadly game of revenge has begun


Production Team hide uncredited
WriterIan Briggs
DirectorNicholas Mallett
ProducerJohn Nathan-Turner
DesignerDavid Laskey
Script EditorAndrew Cartmel
Production AssociateJune Collins
Costume DesignerKen Trew
Make-up DesignerDenise Baron
OB CamermanPaul Harding
OB CamermanAlan Jessop
Videotape EditorHugh Parson
Property BuyerYvonne Alfert
Visual Effects DesignerGraham Brown
Video EffectsDave Chapman
Vision MixerDiana Long
Graphic DesignerOliver Elmes
OB LightingIan Dow
Technical Manager(TM2)Brian Jones
OB SoundJohn Nottage
OB SoundScott Talbott
Production ManagerIan Fraser
Production AssistantWinifred Hopkins
Assistant Floor ManagerJudy Corry
Title MusicRon Grainer
Incidental MusicMark Ayres
Special SoundDick Mills
Stunt coordinatorTip Tipping
Visual Effects AssistantMike Tucker (uncredited)
ArmourerKen Bond (uncredited)
Safety OfficerDes Stewart (uncredited)
Production Operatives SupervisorVic Young (uncredited)
Production OperativeStan Cresswell (uncredited)
Production OperativeAlan Bennett (uncredited)
Production OperativeNeville Quhne (uncredited)
Lighting ChargehandJim Russell (uncredited)
VT EngineerDave Potter (uncredited)
Vision SupervisorDave Jennings (uncredited)
Vision AssistantDave Thwaites (uncredited)
Vision AssistantAnthony Kemp (uncredited)
Producer's SecretaryClare Kinmont (uncredited)
Artist BookingMaggie Anson (uncredited)
Title Music ArrangerKeff McCulloch (uncredited)
Special PropsStephen Mansfield (uncredited)
Special PropsSusan Moore (uncredited)