Andrew Keir
Prof. Bernard Quatermass
Andrew Keir
Prof. Bernard Quatermass
James Donald
Dr. Mathew Roney
Barbara Shelley
Barbara Judd
Julian Glover
Colonel Breen
Bryan Marshall
Captain Potter
Maurice Good
Sergeant Cleghorn
Duncan Lamont
Sladden
Peter Copley
Howell
Edwin Richfield
Minister
Grant Taylor
Police Sergeant Ellis
Noel Howlett
Abbey Librarian
Thomas Heathcote
Vicar
Robert Morris
Jerry Watson
Bee Duffell
Miss Dobson
Sheila Steafel
Journalist
Hugh Futcher
Sapper West
Hugh Morton
Elderly Journalist
Hugh Manning
Pub Customer
June Ellis
Blonde
Keith Marsh
Johnson
James Culliford
Corporal Gibson
Roger Avon
Electrician
Brian Peck
Technical Officer
John Graham
Inspector
Charles Lamb
Newsvendor
David Savile
Army Officer
William Ellis
Journalist
Gareth Thomas
Workman (uncredited)
Elroy Josephs
Black Workman (uncredited)
Michael Poole
Older Workman (uncredited)
Albert Shepherd
Loader (uncredited)
Roy Ward Baker
Director
Nigel Kneale
Screenplay
Nigel Kneale
Original Story
Arthur Grant
Director of Photography
Anthony Nelson Keys
Producer
Tristram Cary
Original Music Composer
Les Bowie
Special Effects
Kenneth Ryan
Art Direction
Moray Grant
Camera Operator
Irene Lamb
Casting
Philip Martell
Music Supervisor
Roy Hyde
Sound Editor
Pearl Tipaldi
Hairstylist
Bernard Robinson
Supervising Art Director
James Needs
Supervising Film Editor
Ian Lewis
Production Manager
Spencer Reeve
Editor
Bert Batt
Assistant Director
Doreen Dearnaley
Continuity
Michael Morris
Makeup Artist
Rosemary Burrows
Wardrobe Supervisor
Sash Fisher
Sound Recordist