Article continues below advertisementDavid Harbour once spoke warmly about his bond with Stranger Things costar Millie Bobby Brown - years before shocking harassment allegations made headlines.Article continues below advertisement"Millie and I have always had sort of a special relationship because I knew her when she was so young. I knew her before any of this big fame hit. I have a real protective feeling for her. I have a real, like, worry," he said on the "That Scene with Dan Patrick" podcast in 2021.