Last updated 24 March 2024


Part Ten

Series Episode Number: 649

World Premiere: Sat 8 Nov 1986 - 5:45pm GMT [BBC One] (United Kingdom)
First Broadcast: Mon 15 Jun 2015 - 8:30pm EDT [Retro TV]
Running Time: 24 minutes 18 seconds

4.60 Million (UK)

Appreciation Index: 69 (UK)

Chart Position: 93 () (UK)

Recorded on Thu 17 Jul 1986 in Television Centre 1



The Vervoids begin to attack the crew and passengers, while someone kills a Mogarian who isn't really a Mogarian at all, but an old friend of the Doctor's


Characters hide uncredited
The DoctorColin Baker
Melanie BushBonnie Langford
The ValeyardMichael Jayston
The InquisitorLynda Bellingham
Professor LaskyHonor Blackman
CommodoreMichael Craig
RudgeDenys Hawthorne
DolandMalcolm Tierney
BruchnerDavid Allister
JanetYolande Palfrey
Grenville/EnzuTony Scoggo
KimberArthur Hewlett
AtzaSam Howard
OrtezoLeon Davis
Duty OfficerMike Mungarvan
Guard/First GuardHugh Beverton
Second GuardMartin Weedon
Mutant/Ruth BaxterBarbara Ward
EdwardesSimon Slater (uncredited)
Time LordKenneth Thomas (uncredited)
Time LordDavid Bache (uncredited)
Time LordDerek Hunt (uncredited)
Time LordDavid Fieldsend (uncredited)
Time LordJohn Buckmaster (uncredited)
Time LordLeslie Fry (uncredited)
Time LordJim Delaney (uncredited)
Time LordRoy Seeley (uncredited)
Time LordLew Hooper (uncredited)
Time LordDavid Eynon (uncredited)
Time LordJack Horton (uncredited)
Time LordMartin Clark (uncredited)
Time LordBob Hargreaves (uncredited)
Time LordBarry Butler (uncredited)
Court GuardOscar Peck (uncredited)
Court GuardGary Forecast (uncredited)
Court GuardJohn Capper (uncredited)
Court GuardKevin O'Brian (uncredited)
Clerk of the CourtIan Marshall-Fisher (uncredited)
Hyperion CrewQuint Boa (uncredited)
Hyperion CrewRichard Bonehill (uncredited)
Hyperion CrewPaul Holmes (uncredited)
Hyperion CrewJohn Constable (uncredited)
Hyperion CrewLea Derek (uncredited)
Hyperion CrewMartin Hyder (uncredited)
Hyperion CrewBarry Holland (uncredited)
Hyperion CrewRobert Goodman (uncredited)
Hyperion CrewJohn Small (uncredited)
Hyperion CrewMaurice Iley (uncredited)
Hyperion CrewKevin Vaughan (uncredited)
Hyperion CrewJonny Lee-Harris (uncredited)
Hyperion CrewMartin Clark (uncredited)
Hyperion CrewMichael Summerfield (uncredited)
Hyperion CrewGeoff Whitestone (uncredited)
VervoidGess Whitfield (uncredited)
VervoidPaul Hillier (uncredited)
VervoidBill Perrie (uncredited)
VervoidJerry Manley (uncredited)