John Robinson
Professor Bernard Quatermass
Hugh Griffith
Dr. Leo Pugh
John Stone
Captain John Dillon
Monica Grey
Paula Quatermass
Austin Trevor
Fowler
Ian Wilson
Ernie
Rupert Davies
Vincent Broadhead
Edwin Brown
Paratrooper
Nigel Kneale
Writer
Charles De Jaeger
Cinematography
Bernard Wilkie
Special Effects
Jack Kine
Rudolph Cartier
Producer
Stephen Taylor
Production Design