Speculations on the causes of the human inferno called Spontaneous Human Combustion (SHC) include poltergeist activity, ball lightening, vampires, psychic disorders, magnetic storms, microwaves, and the wrath of God.
The cast includes Joseph Gordon-Levitt as the title character, Edward Snowden, with Shailene Woodley, Melissa Leo, Zachary Quinto, Tom Wilkinson, Scott Eastwood, Logan Marshall-Green, Timothy Olyphant, Ben Schnetzer, LaKeith Lee Stanfield, Rhys Ifans and Nicolas Cage also starring.
On April 30, 2014, it was announced that the film would be directed by Egoyan, and would star Christopher Plummer, Martin Landau, Dean Norris, Bruno Ganz, Heinz Lieven, and JÃ¼rgen Prochnow.