Caroline John

饰：Liz Shaw

Peter Halliday

Peter Halliday

饰：Silurians

乔恩·帕特维

Jon Pertwee

饰：Doctor Who

尼古拉斯·考特尼

Nicholas Courtney

饰：Brig Lethbridge Stewart

Derek Pollitt

Derek Pollitt

饰：Pvt Wright

Simon Cain

饰：Silurian

杰弗里·帕尔默

Geoffrey Palmer

饰：Masters

保罗·达罗

Paul Darrow

饰：Capt Hawkins

Alan Mason

Alan Mason

饰：Cpl Nutting

Brendan Barry

Brendan Barry

饰：Hospital Doctor

Pat Gorman

Pat Gorman

饰：Silurian Scientist