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 September 21, 2014, Joseph Gordon-Levitt was in talks to play Edward Snowden, the American computer professional who leaked classified information from the National Security Agency (NSA) to the mainstream media starting in June 2013.