Check out the cast breakdown below, per Netflix:
Tom Sturridge is Dream, Lord of the Dreaming
Gwendoline Christie is Lucifer, Ruler of Hell
Vivienne Acheampong is Lucienne, chief librarian and trusted guardian of Dream’s realm
Boyd Holbrook is The Corinthian, an escaped nightmare who wishes to taste all that the world has in store
Charles Dance is Roderick Burgess, Charlatan, blackmailer and magician
Asim Chaudhry is Abel and Sanjeev Bhaskar is Cain, the first victim and the first predator, residents and loyal subjects of the Dream Realm.