a co-production between Swedish Television (in association with WGBH Boston) and ZDF/Arte and Channel Four (in association with RA1 3, NPS, NRK, TV2 Denmark and YLE 1) ; photography, Lennart Nilsson ; directors and producers, Mikael Agaton, Thomas Friedman, Lars Rengfelt ; written by Thomas Friedman ; executive producers Paula S. Apsell and Bo G. Erikson
a Nova production by Green Umbrella Ltd. for WGBH/Boston in association with BBC-TV and Sveriges Television ; produced by Peter Jones and Thomas Levenson ; written by Thomas Levenson ; directed by Peter Jones
produced by Swedish Television in association with WGBH Boston ; directors and producers, Bo G. Erikson, Carl O. Lofman ; for NOVA, written and produced by Bebe Nixon