汤姆·贝克

Tom Baker

饰：The Doctor

莱拉·沃德

Lalla Ward

饰：Romana,

克里斯托弗·尼姆

Christopher Neame

饰：Skagra,

Denis Carey

饰：Professor Chronotis,(archive footage)

戴维·布列利

David Brierly

饰：K9, (archive footage)

Shirley Dixon

Shirley Dixon

饰：The Ship,

David Strong

饰：Man in Car,(archive footage)

詹姆斯·库姆斯

James Coombes

饰：The Krargs,

蒂姆·本廷克

Tim Bentinck

饰：The Doctor - Body Double

丹尼尔·希尔

Daniel Hill

饰：Chris Parsons,

格雷厄姆·科尔

Graham Cole

饰：Scientist,(archive footage)

Gerald Campion

Gerald Campion

饰：Wilkin,(archive footage)

Victoria Burgoyne

饰：Clare Keightley,

Toby Hadoke

饰：Continuity Announcer,

Derek Pollitt

Derek Pollitt

饰：Caldera,(archive footage)

James Muir

James Muir

饰：Fisherman,(archive footage)

Barnaby Edwards

Barnaby Edwards

饰：Krarg

马克·施特里克森

Mark Strickson

饰：Turlough