a production of Média Vérité and Café Productions in association with BBC, History Television Inc., Public Broadcasting Service, U5 Filmproducktion GmbH ; written by Malcom Clarke ; produced by Malcolm Clarke and Karl-Eberhard Schaeffer ; directed by Malcolm Clarke and Stuart Sender
a co-production of WGBH, Boston and Brian Lapping Associates in association with BBC and La Sept/ARTE ; producer/directors, Dai Richards ... [and others]
a Frontline co-production with Kirk Documentary Group, Ltd. ; a production of WGBH-TV Boston ; produced by Michael Kirk, Jim Gilmore, Mike Wiser ; written and directed by Michael Kirk