Ernest Kingsley Jr. is grateful that Hulu's Washington Black offered him the chance not only to share the screen with Sterling K. Brown - but to be mentored by him as well. During an exclusive interview, Us Weekly mentioned to Brown, 49, how much his costars praised him for the support he provided on set. Kingsley Jr., for his part, shared his own experience getting to work with Brown after admiring his work. "First of all, I feel like I kind of dragged Sterling into being a mentor. I just kind of asked him so many questions, like, 'Hey man, how are you doing? It's 1:00 a.m.