Nancy Wheeler

Nancy Wheeler is a fictional character from the Netflix science fiction horror television series Stranger Things, portrayed by Natalia Dyer. She is the sister of Mike Wheeler and the girlfriend of Steve Harrington before dating Jonathan Byers. Nancy starts investigating the disappearance of Jonathan's brother Will when her friend Barbara Holland also goes missing. She teams up with Jonathan to investigate Will and Barbara's disappearance, which leads to her discovery of the Upside Down, an alternate dimension.