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