A war veteran tries to investigate the murder of his son who was working as a Russian translator for the British intelligence service during the Cold War. He meets a web of deception and paranoia that seems impenetrable...

Michael Caine
as Frank Jones

James Fox
as Lord

Nigel Havers
as Robert "Bob" Jones

John Gielgud
as Sir Adrian Chappie

Felicity Dean
as Cynthia Goodburn

Barry Foster
as Charles Grieg

Gordon Jackson
as Bruce

Kenneth Colley
as Bill Pickett

David Langton
as Govt Minister

Dinah Stabb
as Rose