Paramount Pictures and Participant Media present ; an Actual Films production ; produced by Jeff Skoll, Richard Berge, p.g.a., Diane Weyermann, p.g.a. ; directed by Bonni Cohen & Jon Shenk
Oxford University, Victoria University of Wellington, The Science Documentary Project present ; a David Sington/Simon Lamb film ; a DOX production, co-produced by Catherine Fitzgerald ; directed by Simon Lamb & David Sington