Stranger Things 5' star Jamie Campbell Bower discusses Vecna's new look in Season 5, and working with Millie Bobby Brown.

As massive as Stranger Things season 5 proved to be, creators Matt and Ross Duffer intentionally avoided introducing new Upside Down monsters into the mix.

Is Eddie Munson coming back from the dead? Is Dr. Brenner really dead? Here's who you will and won't see in "Stranger Things" Season 5.

Ultimately, that's what resonates most about Stranger Things Season 5's first four episodes. The flashy battles and lore bombshells can get the blood pumping, but it's the characters who have kept viewers coming back for many, many years. Knowing we'll be saying goodbye to them only makes these episodes sweeter, exhaustion be damned.

While all the usual suspects like Eleven (Millie Bobby Brown), Mike (Finn Wolfhard), Lucas (Caleb McLaughlin) and Joyce (Winona Ryder) are all present and correct, season five also has a handful of new faces and returning minor characters you might not immediately recognise.

Here's a comprehensive guide to the "Stranger Things" Season 5 characters and cast you need to know before you return to the Upside Down.

Just because 'Stranger Things' is coming to an end doesn't mean season 5 didn't find a way to expand — and recast — with some new characters

Find out every song title featured in Duffer Brothers' hit Netflix sci-fi horror series Stranger Things Season 5.

The first four episodes of 'Stranger Things' Season 5 dropped this week, and excited fans will have to wait nearly a month to see the next episodes.