汤姆·贝克

Tom Baker

饰：Doctor Who

西里尔·勒克姆

Cyril Luckham

饰：The Guardian

Nigel Plaskitt

Nigel Plaskitt

饰：Unstoffe

Robert Keegan

饰：(as Robert Keegan)

Oliver Maguire

Oliver Maguire

饰：Shrieve

玛丽·塔姆

Mary Tamm

饰：Romana

Iain Cuthbertson

饰：Garron

保罗·锡德

Paul Seed

饰：Graff Vynda-K

Prentis Hancock

饰：Captain

John Hamill

饰：Shrieve