American Experience presents ; a Robert Stone film for American Experience ; WGBH Educational Foundation ; written, produced and directed by Robert Stone
a Frontline production with the Palfreman Film Group ; a production of WGBH/Boston ; written by Miles O'Brien & Jon Palfreman ; produced and directed by Jon Palfreman
a production of Trans Pacific Television and KTEH/San Jose, presented in association with KCET/Los Angeles ; written, produced and directed by Jon Else
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