PBS ; produced and directed by Riva Freifeld ; written by Ken Chowder ; co-produced by Amy Brown ; a Riva Productions film for American Experience ; WGBH Boston
an Apograph Productions film for American Experience ; American Experience Films presents ; story by Michelle Ferrari ; telescript by Rob Rapley ; produced and directed by Rob Rapley
written, produced and directed by Neil Docherty ; senior producer, Julian Sher ; a Frontline production with the Canadian Broadcasting Corporation ; WGBH