'Stranger Things' has just debuted its fourth season, volume one, bringing back Eleven (Millie Bobby Brown) and the rest of the Hawkins gang to our screens.

While the characters in the series, famously set in the 1980s, mainly rely on landlines and walkie-talkies to communicate with each other, the actors of Netflix's sci-fi show are all very much active on social media in real life, particularly on Instagram.

Thanks to their huge following and several collaborations with brands under their belt, the social platform could turn into a great opportunity for the young stars to increase their net worth.

Millie Bobby Brown Is The Most Influential 'Stranger Things' Cast Member, Study Reveals

New study reveals that Millie Bobby Brown, who plays telekinetic queen Eleven, is the most influential cast member from the latest season of 'Stranger Things,' potentially earning up to $161.766 per sponsored social media post.

Research conducted by online casino experts AskGamblers has taken a closer look at the social media profiles of every cast member from the fourth season of 'Stranger Things,' as well as influencer marketing calculators to establish which actor has the most influential social media presence and how much they can earn per sponsored Instagram post. Influencer marketing calculators analyze Instagram accounts not just by their number of followers, but also by their average engagement rate.

Related: These 'Stranger Things' Stars' Careers Outside Netflix

The Eleven actress took the top spot. This is due to Brown having the highest follower count in the ranking with 48.7 million followers and an above-average engagement rate of 4.9%, making her Instagram account ideal for sponsorship deals.

Brown had her big break on the show created by the Duffer Brothers, landed on Netflix in 2016. Since the show first aired, the British actress has partnered with huge brands such as Samsung, Converse and Calvin Klein, made her feature film debut in 'Godzilla: King of the Monsters' in 2019 and launched her own cosmetics line, Florence by Mills, all contributing to her increase in influence and popularity. She also earned her first producer credits on 2020 film 'Enola Holmes,' in which she also stars in the titular role.

What About Brown's 'Stranger Things' Co-Stars?

Brown may be the 'Stranger Things' star with the highest potential earnings from Instagram, but other cast members aren't doing too bad either.

Finn Wolfhard, who plays Mike Wheeler on the series, is revealed as the second most influential star of the show's latest season.

The actor is the second-highest Instagram following of 21.2 million, allowing him to earn a potential of $70.398 per sponsored post on Instagram.

Noah Schnapp, who plays Will Byers, can expect to earn an average of up to $67.393 per sponsored post. This would make him the third most influential star of the Netflix series. Schnapp has 20.3 million followers and an engagement rate of 8%.

The fourth most influential cast member is Sadie Sink, who, alongside her role as Max Mayfield on 'Stranger Things,' has also starred in Taylor Swift's 'All Too Well: The Short Film' and on Netflix's 'Fear Street: 1978' and 'Fear Street: 1666'.

Related: 'Stranger Things' Took Inspiration From An Unlikely Place

Joining the cast in season two, Sink can expect to earn up to $51.818 per sponsored post due to having 15.6 million followers and the second-highest engagement rate of the cast on Instagram, at 10.6%.

Gaten Matarazzo, who plays fan-favourite Dustin Henderson, can expect to earn up to $45.732 per sponsored post, making him the fifth most influential star of season four with his 13.6 million Instagram followers.

Natalia Dyer, known for the role Nancy Wheeler on 'Stranger Things,' also ranks as one of the most influential stars of the show, placing ninth overall. Dyer can earn up to $20.385 per post on Instagram, due to having the highest engagement rate of the cast, with 15%, and based on her following of 6.1 million.

There's One 'Stranger Things' Season Four New Entry In The Top Ten

Among the new entries of this season four, seeing the cast expanding considerably compared to other seasons, Amybeth McNulty made it into the top ten.

The Irish-Canadian actress, best known for playing the titular role in 'Anne with an E,' has joined the cast of 'Stranger Things' on this latest installment. McNulty plays the role of Vickie, appearing briefly of the first volume of season four, but it's safe to say we'll get to see more of her as a potential romance with Robin (Maya Hawke) might be in her character's future.

Related: 'Stranger Things' Fans Notice Odd Similarity About The Victims In Hawkins

With more than 6 million followers on Instagram, McNulty could earn up to $21.895 per sponsored post on the social media platform.

Alongside McNulty, the latest season of 'Stranger Things' has introduced Joseph Quinn as D&D club leader Eddie Munson, Eduardo Franco as Jonathan's (Charlie Heaton) best friend in California, Argyle, and Jamie Campbell Bower in an unexpected role that will be pivotal in the upcoming episodes.

Ending on a huge cliffhanger, the series will return for two more episodes, available to stream on Netflix on July 1, before wrapping things up with a fifth and final season.

Next: How Much Is Millie Bobby Brown Earning From 'Stranger Things' Now?