Doctor Doctor Who Guide
Last updated 25 May 2016


Part One

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)




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


Characters hide uncredited
The DoctorSylvester McCoy
AceSophie Aldred
Dr. JudsonDinsdale Landen
Commander MillingtonAlfred Lynch
The Rev. Mr. WainwrightNicholas Parsons
Miss HardakerJanet Henfrey
Captain SorinTomek Bork
Sgt. ProzorovPeter Czajkowski
VershininMarek Anton
PetrossianMark Conrad
JeanJoann Kenny
PhyllisJoanne Bell
Nurse CraneAnne Reid
Kathleen DudmanCory Pulman
BabyAaron Hanley
Captain BatesStevan Rimkus
Sgt. LeighMarcus Hutton
PerkinsChristien Anholt
(extra)Andrew Rose (uncredited)
(extra)Andy Combs (uncredited)
(extra)Ben Losh (uncredited)
(extra)Claudia Lyster (uncredited)
(extra)Damon Jeffrey (uncredited)
(extra)Danny Fitzgerald (uncredited)
(extra)David Foster (uncredited)
(extra)Derek Van Weenen (uncredited)
(extra)Dickie Dean (uncredited)
(extra)Ian White (uncredited)
(extra)Jane Perry (uncredited)
(extra)Jock Gardyne (uncredited)
(extra)Joe Hobbs (uncredited)
(extra)Jonathan Truss (uncredited)
(extra)Kate Shury (uncredited)
(extra)Ken Dee (uncredited)
(extra)Mandy Demetrion (uncredited)
(extra)Marianne Bergin (uncredited)
(extra)Mark Goddard (uncredited)
(extra)Mark Ponsford (uncredited)
(extra)Martin Dew (uncredited)
(extra)Nicola Maddock (uncredited)
(extra)Nigel Parke Davies (uncredited)
(extra)Nina Downey (uncredited)
(extra)Patrick Lynch (uncredited)
(extra)Peter Gandy (uncredited)
(extra)Robin Yarnton (uncredited)
(extra)Roslyn Riley (uncredited)
(extra)Russell Cleed (uncredited)
(extra)Stephen Cookson (uncredited)
(extra)Stephen Fitzalan (uncredited)
(extra)Stephen Sparshatt (uncredited)
(extra)Suzi Mollett (uncredited)
(extra)Vince Sears (uncredited)
(extra)Wendy Spear (uncredited)