written, produced and directed by William Cran ; a Frontline coproduction with InVision Productions, Ltd. in association with BBC-2 ; WGBH Educational Foundation
produced by Michael Kirk, Mike Wiser, Jim Gilmore, Philip Bennett ; reported by Jim Gilmore, David E. Hoffman ; written by Michael Kirk and Mike Wiser ; directed by Michael Kirk ; a Frontline production with Kirk Documentary Group ; WGBH/Boston