Based on the book: Ace of spies / by Robin Bruce Lockhart. Originally broadcast as a television mini-series in 1983. Director of photography, Peter Jessop; editor, Edward Marnier ; music, Harry Rabinowitz. Sam Neill, Peter Egan, Ian Charleson, Norman Rodway, Tom Bell, David Burke, Kenneth Cranham, Leo McKern, Jeananne Crowley, Donald Morley.