Janus Films ; an Anglia Television & Gordon Feedman production ; an Errol Morris film ; executive producer, Gordon Freedman ; produced by David Hickman ; directed by Errol Morris ; produced in association with NBC, Tokyo Broadcasting System & Channel Four, UK ; Triton Pictures
Athena ; Acorn Media ; a Wall to Wall production ; in association with Roadwork Ltd. ; for HBO and Channel 4 ; produced, filmed, and written by Ben Anderson ; directed by Anthony Wonke