An Unidentified Species

Overview

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.

Guest Stars

John Glen

Dr Gordon Briscoe

Ian Colin

DI Lomax

Frank Hawkins

DS Best

John Kidd

Sir Vernon Dodds