Castrovalva (4)
Show: Doctor Who --> Season: 19 - Season 19
AirDate: 1/12/1982
Runtime: 25
Voting: 6.5 (2)

Overview: The TARDIS crew are caught in a space-time trap. Escaping will mean a final confrontation with the Master.
Matthew Waterhouse
Adric
Derek Waring
Shardovan
Anthony Ainley
The Master / Portreeve
Michael Sheard
Mergrave