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.
As for the rest of the cast, which includes some big names like Shailene Woodley, Melissa Leo, Zachary Quinto, and Tom Wilkinson, their similarities to their subjects vary quite a bit. So take a look at the photos below comparing the actors of Snowden to their real-life counterparts, and see how everyone stacks up.