Millie Bobby Brown) being pulled away by men, and one of Hopper (David Harbour) holding a weapon.The teaser also provides fans' first glimpse at Grace Van Dien as Chrissy, a popular cheerleader with a dark secret. Dien's character is one of several new ones that Netflix announced in June. Amybeth McNulty, Myles Truitt and Regina Ting Chen will also join the cast as Vickie, a band nerd, Patrick, a basketball star whose life is spiraling out of control, and Ms.