narrated by Paul Christie ; directed & produced by Tom Mustill ; AGB Films with Gripping Films for Thirteen Productions LLC and BBC in association with WNET
narrated by F. Murray Abraham ; a production of Brian Leith Productions, Thirteen/WNET New York and BBC ; producer, Brian Leith ; director, Steve Gooder
narrated by Daniel Stern ; written and directed by Steve Gooder ; an OSF Wales production for BBC and Thirteen Productions LLC in association with WNET