Errol Morris Director Isobel Hawking Self Stephen Hawking Self, Writer Janet Humphrey Self Mary Hawking Self Basil King Self Derek Powney Self Norman Dix Self Robert Berman Self Roger Penrose Self Dennis Sciama Self John Wheeler Self Brandon Carter Self Jack Taylor Self Colin Ewing Executive Producer David Hickman Producer Philip Glass Original Music John Bailey Cinematographer Stefan Czapsky Cinematographer Brad Fuller Film Editing Ted Bafaloukos Production Design David Lee Art Director