乔治·桑德斯

George Sanders

饰：General Armstrong

莫里斯·埃文斯

Maurice Evans

饰：Dr. Matthews,Alien

帕特里克·艾伦

Patrick Allen

饰：Bob Megan

Neil Connery

饰：Jim Radford

Hilary Heath

饰：Julie Slade (as Hilary Dwyer)

罗伯特·弗莱明

Robert Flemyng

饰：W.C. Baldwin

Lorna Wilde

饰：Lorna

艾伦·卡思伯森

Allan Cuthbertson

饰：Hindsmith

迈克尔·卡尔佛

Michael Culver

饰：Lieutenant Bailes

Sally Faulkner

Sally Faulkner

饰：Joanna

希拉·弗雷泽

Shelagh Fraser

饰：Mrs. Thatcher

Carl Rigg

Carl Rigg

饰：Briggs

Carol Hawkins

饰：Paula

Dixon Adams

Dixon Adams

饰：David

Derek Pollitt

Derek Pollitt

饰：Davies

Steve Kirby

饰：Driver

拉里·丹恩

Larry Dann

饰：Corporal

莱斯利·斯科菲尔德

Leslie Schofield

饰：Gate Guard

克利福德·厄尔

Clifford Earl

饰：Sergeant in Lab

Pamela Conway

饰：Lorna,(as Lorna Wilde)

Michael Graham

饰：Pilot

Brian Harrison

Brian Harrison

饰：Pilot

Dennis Chinnery

Dennis Chinnery

饰：1st Control Officer

Arnold Peters

Arnold Peters

饰：Mr. Smith

Wanda Moore

Wanda Moore

饰：Secretary

Max Latimer

Max Latimer

饰：Guard Sergeant

Michael Warren

Michael Warren

饰：Harry

Michael Goldie

饰：Dispatch Driver