Albert Hughes Director Kodi Smit-McPhee Keda Actor Jóhannes Haukur Jóhannesson Tau Actor Marcin Kowalczyk Sigma Actor Jens Hultén Xi Actor Natassia Malthe Rho Actor Spencer Bogaert Kappa Actor Mercedes de la Zerda Nu Actor Leonor Varela Shaman Woman Actor Dan Wiedenhaupt Screenwriter Guo Guangchang Executive Producer Louise Rosner Executive Producer Stuart M. Besser Executive Producer Andrew Rona Producer Martin Gschlacht Cinematographer Sandra Granovsky Film Editing Michael Stearns Original Music Joseph S. DeBeasi Original Music John Willett Production Design James Steuart Supervising Art Direction Harrison Yurkiw Art Director Angela O'Sullivan Art Director Terry Lewis Set Decoration Sharen Davis Costume Design Sarah Halley Finn Casting