as Muller

as Lord Fawnlee

as Collings

as

as Detective-Sergeant Leith

as

as Edmund Newton

as Infantry General at Field Briefing (uncredited)

as Jason Douglas

as Sidney Fairweather

as Professor Gouin

as Archdeacon Pomphret

as

as Lloyd Crichton

as Berkeley Reckitt

as Professor Bernard Quatermass

as Secretary

as Prof. Martineau / Mansel

as Dr. Braithwaite

as Linnett

as Dr. Bruce Napier

as Oliver Farrant

as Unnamed Character

as Pilot

as Taylor

as Donald Scarlett