L'astronave atomica del dottor Quatermass

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)