written, produced and directed by William Cran ; a Frontline coproduction with InVision Productions, Ltd. in association with BBC-2 ; WGBH Educational Foundation
series producer and reporter, Renata Simone ; a co-production of WGBH/Frontline and Paladin InVision Ltd. with Silverbridge Productions Ltd. and Channel 4 ; WGBH Educational Foundation
co-production of The Kirk Documentary Group, Ltd. and WGBH Educational Foundation ; written, produced and directed by Michael Kirk ; produced and reported by Jim Gilmore
produced by Michael Kirk, Jim Gilmore, Mike Wiser ; written by Michael Kirk & Mike Wiser ; directed by Michael Kirk ; a Frontline production with Kirk Documentary Group ; WGBH Educational Foundation ; a production of WGBH Boston
WGBH Educational Foundation ; a Canadian Broadcasting Corporation production for WGBH/FRONTLINE ; producer, Lisa Ellenwood ; written, produced & directed by Neil Docherty