Fair rating?Doctor Who· Season 9 · Episode 12
The Sea Devils, Part Four
The Sea Devils attack the island prison and rescue the Master, prompting the Doctor to venture underwater to try and contact them.
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#4In Season 9of 26 rated episodes
#496All-timeof 700 rated episodes
+0.1vs season avgSeason 9 averages 8.2
1972First airedMarch 18, 1972
Guest stars
Donald Sumpteras Commander Ridgeway
Clive Mortonas TrenchardStanley McGeaghas Castle Guard Drew
Pat Gormanas Sea DevilNorman Atkynsas Rear Admiral
Peter Forbes-Robertsonas Chief Sea DevilColin Bellas C.P.O. Summers
Eric Masonas C.P.O. Smedley
David Griffinas Lt. Commander MitchellMartin Boddeyas Walker
Neil Seileras Radio Operator
Alec Wallisas Ldg. Telegraphist Bowman
Brian Justiceas Castle Guard Wilson
John Caesaras C.P.O. Myers
Crew
Michael E BriantDirector
Malcolm HulkeWriter