Stephen Boxer

as James Mallors

as Sterling Thistleton

as Ulrich

as Gordon

as Kim Philby

as Dr. Roger Gunnislake

as Dr. Hall

as Chief Inspector

as Dr. D'Arby

as Rene Azaire

as Police Commissioner Fitzroy

as Mr. K.

as Professor Davidson

as Judge Walden

as Leonard

as Priest

as Anthony Scrivener QC (voice)

as Peter Kierl

as Franz

as Duncan

as Denis Thatcher

as The Curator

as Bernie Spott

as Dr. David Elster

as Judge Wentworth Lister

as The Earl of Gloucester

as Dr Stevens

as Professor Patrick Galloway

as Police Doctor

as Cabinet Minister

as Professor King

as Joe Shepherd

as Viscount Melville

as Lord Melville

as Arthur Gardner

as Martyn Bowler

as Underhill

as Colonel

as Professor Patton

as Mr. Smith

as Psychatrist

as Doug

as Julian Marchant

as Specialist

as Professor Fraser

as Jack Coleville

as Dermot

as D.C.I. Copeland

as Lord Hood

as Owen Swinscoe

as Consultant

as Inspector

as Military Rep

as Newscaster

as John Sergeant

as David Thorndike

as Harry Thomas

as Brian Masters

as Christopher Mabbutt

as Newscaster

as Neil