Last updated 24 March 2024

Episode 3

Series Episode Number: 147

World Premiere: Sat 28 Jan 1967 - 5:51pm GMT [BBC One] (United Kingdom)
Running Time: 24 minutes 9 seconds

7.10 Million (UK)

Appreciation Index: 45 (UK)

Chart Position: 59 () (UK)

Recorded on Sat 21 Jan 1967 in Riverside 1
Archive State: 16mm t/r

The Doctor hatches a dangerous plan to kidnap Professor Zaroff and encourages the Fish People to revolt against their masters and put a stop to the production of food.

Characters hide uncredited
Dr. WhoPatrick Troughton
ZaroffJoseph Furst
RamoTom Watson
ThousNoel Johnson
LolemPeter Stephens
BenMichael Craze
PollyAnneke Wills
JamieFrazer Hines
SeanP G Stephens
JackoPaul Anil
AraCatherine Howe
NolaRoma Woodnutt
Zaroff's guardTony Handy
DamonColin Jeavons
Half-Fish Person (flying)Tony Starr (uncredited)
Half-Fish Person (flying)Mary McMillan (uncredited)
Half-Fish PersonDerek Calder (uncredited)
Atlantean PriestDavid Waterman (uncredited)
Atlantean PriestGordon Lang (uncredited)
Atlantean PriestHein Viljoan (uncredited)
Atlantean PriestRoyston Farrell (uncredited)
Atlantean PriestDenis Redwood (uncredited)
Man in MarketPeter Stockbridge (uncredited)
Man in MarketReg Cranfield (uncredited)
Man in MarketJohn Adams (uncredited)
Atlantean PriestAlex Donald (uncredited)
Atlantean PriestTony Douglas (uncredited)
Atlantean GuardMichael Earl (uncredited)
Atlantean GuardDean Hardy (uncredited)
Atlantean GuardDerek Hunt (uncredited)
Atlantean GuardKeith Ashley (uncredited)
Executioner PriestBill Burridge (uncredited)
Atlantean RefugeeMarguerite Young (uncredited)
Atlantean RefugeeMary Wheeler (uncredited)
Atlantean Child PriestAnthony Kemp (uncredited)
Atlantean Child PriestSamuel Burleigh (uncredited)
Atlantean Child PriestShane Younger (uncredited)
Atlantean Child PriestGary O'Brien (uncredited)