Bullfrog Films presents ; directed & produced by David Springbett ; writers, Heather MacAndrew, Des Kennedy ; produced in association with Vision TV ; produced in association with the Saskatchewan Communications Network ; produced by Asterisk Productions Ltd
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