David S. Goyer On Da Vinci's Demons: 'The Cast Is Very Close!'

David S. Goyer On Da Vinci's Demons: 'The Cast Is Very Close!'

Creator David S. Goyer chats with Access about Starz’s “Da Vinci’s Demons.” How much does he base the show on actual history? Plus, how has the cast bonded? Does he share details with them about his other projects, such as “Justice League” or “Batman vs. Superman”?