In which TV series is Dustin Henderson a main character?

Who played Joyce Byers in 'Stranger Things'? Who played Steve Harrington in 'Stranger Things'? In which TV series is Steve Harrington a main character? Who played Dustin Henderson in 'Stranger Things'? Who played Mike Wheeler in 'Stranger Things'? Who played Dolores Abernathy in 'Westworld'? Who played Queen Elizabeth II (seasons 1–2) in 'The Crown'? In which TV series is Queen Elizabeth II (seasons 1–2) a main character?