Spoiler alert! The cast of ‘The Sandman’ chats with ET about the season 1 finale. Tom Sturridge, Vivienne Acheampong, Gwendoline Christie, Jenna Coleman, Stephen Fry, Kirby Howell-Baptiste and Vanesu Samunyai share their reactions to those pivotal moments with Morpheus, Lucifer and more. Plus, the creator himself, Neil Gaiman, and series showrunner, Allan Heinberg, tease what