Bullfrog Films presents ; A production of Earth Image Films for Nova ; WGBH Educational Foundation ; Producer, Christopher McLeod, Robert Lewis ; writer/director, Christopher McLeod ; for NOVA, senior producer, Kathleen Bernhardt
[a film by Josh Fox] ; an International WOW Company production [in association with HBO Documentary Films] ; written and directed by Josh Fox ; produced by Trish Adlesic ; producers, Josh Fox, Molly Gandour
produced by Primitive Entertainment in co-production with the National Film Board of Canada ; produced in association with Big Picture Media Corporation ; Sundance Channel ; NHK, Canwest Global Broadcasting ; produced with the participation of Telefilm Canada ; Mongrel Media ; written & directed by Kevin McMahon ; produced by Kristina McLaughlin, Michael McMahon