Character Name : Prof. Bernard Quatermass

Original Name : Brian Donlevy

Gender : Male

Character Name : Chief Inspector Lomax

Original Name : John Longden

Gender : Male

Character Name : Dr. Tom Brand

Original Name : William Franklyn

Gender : Male

Character Name : Marsh

Original Name : Bryan Forbes

Gender : Male

Character Name : Work Camp Manager Dawson

Original Name : Charles Lloyd Pack

Gender : Male

Character Name : Vincent Broadhead, M.P.

Original Name : Tom Chatto

Gender : Male

Character Name : The Plant Tour Guide

Original Name : John Van Eyssen

Gender : Male

Character Name : Jimmy Hall

Original Name : Sid James

Gender : Male

Character Name : Paddy Gorman

Original Name : Percy Herbert

Gender : Male

Character Name : Ernie the Bartender

Original Name : Michael Ripper

Gender : Male

Character Name : E. J. Macleod

Original Name : John Rae

Gender : Male

Character Name : Lab Assistant

Original Name : Philipp Baird

Gender : Male

Character Name : Kelly

Original Name : Betty Impey

Gender : Female

Character Name : Woman Member of Parliament

Original Name : Joyce Adams

Gender : Male

Character Name : Peterson

Original Name : Edwin Richfield

Gender : Male

Character Name : Sheila

Original Name : Vera Day

Gender : Female

Character Name : Miss Beal

Original Name : Marianne Stone

Gender : Female

Character Name : Mrs. McLeod

Original Name : Jane Aird

Gender : Male

Character Name : Harry

Original Name : Michael Balfour

Gender : Male

Character Name : The Police Commissioner

Original Name : John Stuart

Gender : Male

Character Name : Intern

Original Name : John Fabian

Gender : Male

Character Name : Super

Original Name : George Merritt

Gender : Male

Character Name : Chris (uncredited)

Original Name : Barry Lowe

Gender : Male