6. Épisode 6

Nicholas Clay

Dr. John Cornelius

Kim Thomson

Samantha Valentine

Stephen Yardley

Inspector Cadogan

Jude Akuwudike

Sergeant Gummer

Alan David

Professor Owen Griffiths

Carole Boyd

Phoebe Littlejohn

Mark Ellis

Arthur White

Tim Preece

Sean Pertwee

Steven O'Donnell