詹姆斯·唐纳德

James Donald

饰：Dr. Mathew Roney

安德鲁·克尔

Andrew Keir

饰：Prof. Bernard Quatermass

芭芭拉·谢莉

Barbara Shelley

饰：Barbara Judd

朱利安·格洛弗

Julian Glover

饰：Col. Breen

Duncan Lamont

饰：Sladden

布莱恩·马歇尔

Bryan Marshall

饰：Capt. Potter

彼得·科普利

Peter Copley

饰：Howell

Edwin Richfield

饰：Minister of Defense

Maurice Good

Maurice Good

饰：Sgt. Cleghorn

Grant Taylor

饰：Police Sgt. Ellis

Robert Morris

Robert Morris

饰：Jerry Watson

Sheila Steafel

饰：Journalist

休·福彻

Hugh Futcher

饰：Sapper West

Hugh Morton

饰：Elderly Journalist

托马斯·希思科特

Thomas Heathcote

饰：Vicar

诺尔·霍莱特

Noel Howlett

饰：Abbey Librarian

Hugh Manning

饰：Pub Customer

June Ellis

June Ellis

饰：Blonde

Keith Marsh

Keith Marsh

饰：Mr. Johnson

James Culliford

饰：Cpl. Gibson

比·达夫尔

Bee Duffell

饰：Miss Dobson

Roger Avon

饰：Electrician

布莱恩·佩克

Brian Peck

饰：Technical Officer

John Graham

饰：Inspector

Charles Lamb

饰：Newsvendor

Peter Bennett

饰：London Transport Official (uncredited)

Peter Bourne

饰：Second Electrician (uncredited)

John Bown

饰：TV Interviewer (uncredited)

Simon Brent

饰：Orderly Officer (uncredited)

David Crane

饰：Institute Attendant (uncredited)

William Ellis

饰：Journalist (uncredited)

Mark Elwes

Mark Elwes

饰：Second Technician (uncredited)

哈里·弗雷德尔

Harry Fielder

饰：Possessed man (uncredited)

Joseph Greig

饰：Pub Customer (uncredited)

Walter Horsbrugh

Walter Horsbrugh

饰：Messenger (uncredited)

Alastair Hunter

Alastair Hunter

饰：Institute Doorkeeper (uncredited)

Elroy Josephs

饰：Black Workman (uncredited)

Michael Poole

饰：Older Workman (uncredited)

John Rutland

John Rutland

饰：Second London Transport Official (uncredited)

David Savile

David Savile

饰：Army officer (uncredited)

Albert Shepherd

饰：Loader (uncredited)

Leslie Southwick

饰：Journalist (uncredited)

Gareth Thomas

饰：Other Workman (uncredited)

Brian Walton

饰：Journalist (uncredited)

Ian White

饰：TV Announcer (uncredited)

Hugh Eden

饰：Elderly Journalist