Doctor Who: Castrovalva

Peter Davison

The Doctor

Matthew Waterhouse

Adric

Sarah Sutton

Nyssa

Janet Fielding

Tegan Jovanka

Anthony Ainley

The Master / The Portreeve

Dallas Cavell

Head of Security

Frank Wylie

Ruther

Derek Waring

Shardovan

Michael Sheard

Mergrave

Souska John

Child