Basil Henson

as Dr. Abbott

as Alec Prosser-Jones

as Hacker

as Dr. Tirpitz

as Dr. Lucas

as Wolf Eisen

as Mr. Arditti

as Doctor (uncredited)

as Charles Merrow

as Von Moltke

as Prince Vasili Kuragin

as The Bishop

as Maurice

as Major Andrew Carlyle

as Colonel Gillum

as Major Edwards

as Dr Ramsey

as Brigadier

as Hinchcliffe

as Lord Breconbury

as Derreck Alwyn

as Peter Naylor

as Basil Stewart

as Captain

as Sir Horatio Manners

as Major Lofthouse

as Charles Merrow

as Frank Houghton

as Mr. Webb

as Martin Cook

as The Inspector

as Colonel Ross

as Cedric Gallen

as Mortimer Lightwood

as Salesman

as George Preston

as Peter Naylor

as Dawnay