produced and directed by Stanley Nelson ; written by Marcia A. Smith ; a Firelight Media production for American Experience ; WGBH Boston ; WGBH Educational Foundation
directed, written, and produced by Robert Stone ; a Robert Stone film for PBS/American experience in association with BBC ; WGBH Educational Foundation and Robert Stone Productions
a film by Ambrica Productions, Inc. in association with the American Experience ; written and directed by Sue Williams ; WGBH-TV, Boston ; WGBH Educational Foundation
a Frontline co-production with Cam Bay Productions, Inc. ; WGBH Boston ; produced by Stephen Talbot ; reported and co-produced by Lowell Bergman ; written by Stephen Talbot and Lowell Bergman
a Frontline and American experience co-production with Helen Whitney Productions ; written by Helen Whitney and Jane Barnes ; produced and directed by Helen Whitney