S1·E5 – An Unidentified Species

Quatermass picks up Carroon's trail and believes that the mixture of chemicals he has taken will accelerate his metamorphosis. Meanwhile, the killing starts - and Westminster Abbey a pulsating mass is revealed clinging to the building.

Cast

Reginald Tate

Professor Bernard Quatermass

Isabel Dean

Judith Carroon

Hugh Kelly

John Paterson

Duncan Lamont

Victor Carroon

Paul Whitsun-Jones

James Fullalove