Based on Matthew Modine's post, it looks like there's a very good chance that Dr. Brenner will be back for Stranger Things 5.
Matthew Modine said that he wanted to protect Millie Bobby Brown as much as he possibly could after she became globally famous at a young age. Modine plays Dr. Brenner on "Stranger Things," ...
Modine played a scientist and father figure to Brown's character in Stranger Things Stranger Things actor Matthew Modine has said he will officiate the wedding of his co-star Millie ...
Modine raved about his 'Stranger Things' costar Millie Bobby Brown being "so focused, so determined, so intelligent" Manny Carabel/Getty Images; Dimitrios Kambouris/Getty Images From left: ...