director, Phil Jennings ; producer, Sophie Mohamed ; series producer and director, Peter Coventry ; a BBC Open University partnership ; Curve Media for BBC
a FRONTLINE co-production with Mongoose Pictures in association with the BBC ; written and directed by Dan Edge ; produced by Dan Edge and Christopher Buchanan
BBC Education & Training ; BBC/Open University co-production ; series producer, Dinah Lord ; produced and directed by Angela Chan ; executive producer, Tessa Livingstone