The Sea Devils (4)
Show: Doctor Who --> Season: 9 - Season 9
AirDate: 3/18/1972
Runtime: 25
Voting: 7.2 (4)

Overview: The Sea Devils attack the island prison and rescue the Master, prompting the Doctor to venture underwater to try and contact them.

Roger Delgado
The Master
Edwin Richfield
Captain Hart
Clive Morton
Trenchard
June Murphy
3rd Officer Jane Blythe
Alec Wallis
Ldg. Telegraphist Bowman
Pat Gorman
Sea Devil
Donald Sumpter
Commander Ridgeway
David Griffin
Lt. Commander Mitchell
Stanley McGeagh
Castle Guard Drew
Colin Bell
C.P.O. Summers
Brian Vaughan
Lt. Commander Watts
Terry Walsh
Castle Guard Barclay (uncredited)