Peter Blythe

as Tom King

as Grp Cpt. Lawrence Smythe

as Rt Hon Sir Michael Havers QC MP (Attorney-General)

as Gen. Graves

as Lord Whitten

as Ilya

as Supt Derek Backhouse

as Phillip Morrell

as Charles

as DAC Evans

as Gerald Hopkinson

as Vincent Stoat

as Gregory

as Thomas Ancred

as Rev. Rount

as Ford

as Maj. Eric Nicholls

as Blunt

as Vladimir

as Kenneth Lawrence

as Guide

as Gordon

as Proculus (uncredited)

as Keating

as Bertie Stanhope

as Sandy Arbuthnot

as Jeremy Morgan

as Samuel Ballard, Q.C.

as Samuel Ballard Q.C.

as Peter

as The Man

as Duroc

as Dr. Stumpfegger

as Max

as DS Robert Gilson

as James Grant

as Sommerfield

as Frederick Lynn

as 2nd Officer

as Dr. Stumpfegger

as Dr. Vares

as Dr. Vares

as Michael Amlett

as Trofimchuk

as Sir Roger de Courtenay

as Cass Russell

as Anton

as Poker Player

as Dr. Livesey

as John Ebony

as Emilio Brentani

as Copy Desk (uncredited)

as Mankin