Calificación
Reparto
Brian Donlevy
Prof. Bernard Quatermass
Richard Wordsworth
Victor Carroon
David King-Wood
Dr. Gordon Briscoe
Jack Warner
Inspector Lomax
Margia Dean
Judith Carroon
Harold Lang
Christie
Lionel Jeffries
Blake
Thora Hird
Rosie Wrigley
Gordon Jackson
BBC TV producer
Sam Kydd
Police Sergeant Questioning Rosie
Maurice Kaufmann
Marsh (uncredited)
John Wynn
Detective Sergeant Best (uncredited)
Jane Asher
Little Girl (uncredited)
Toke Townley
The Chemist (uncredited)
Margaret Anderson
Maggie (uncredited)
Eric Corrie
Maggie's Boyfriend (uncredited)
