Passionate Productions for BBC ; produced for NOVA by Holt Productions, LLC ; WGBH Boston ; produced and directed by Jemima Harrison and Sarah Holt ; writer for the BBC, Jemima Harrison ; executive producer for the BBC, Richard Klein ; senior executive producer, Paula S. Apsell
[produced by Marian Marzynski ; written by Marian Marzynski ; camera, Jean de Segonzac ; a production of Marz Associates for Frontline ; WGBH Educational Foundation ; produced for the Documentary Consortium by WGBH-Boston]
writer, David Haig ; producers, Michael Casey, Douglas Rae ; director, Brian Kirk ; a co-production of Ingenious Broadcasting in association with Octagon Films with the participation of Bord Scannán na hÉireann/Irish Film Board ; in association with Granada International ; an Ecosse Films and WGBH/Boston production
A production of The Documentary Guild in association with WGBH Boston for Nova ; WGBH Educational Foundation ; Executive editor, William Grant ; executive producer, Paula S. Apsell ; written, produced and directed by Rob Whittlesey and Noel Buckner