A portrait of William Lilly. the 17th-century astrologer, who foretold the Great Fire of London and the Plague, was used by Cromwell as a propagandist and provided a hacksaw for Charles I to cut his way out of prison. and NIGEL ANTHONY , TIMOTHY BATESON BRIAN HAINES , HILDA SCHRODER and DAVID TIMSON. Written and narrated by DEREK PARKER Producer IAN COTTERELL