A documentary filmmaker turns his lens on an enigmatic conspiracy theorist who claims he's found the entrance to a vast underground city populated entirely by monsters.
Ray Wise
William Dekker
Adam Green
Self
Kane Hodder
Self
Mick Garris
Self
Rileah Vanderbilt
Self
Josh Ethier
Self / Vance / Little Bigfoot
Tom Holland
Himself
Sarah Elbert
Self
