Millie Bobby Brown in season one and season four. She's often described her role as Eleven on the show as 'life-changing'. All photos: Netflix
![Caleb McLaughlin in season one and season four. 'I always knew [Stranger Things] was going to be great,' he told 'Teen Vogue' in the past.](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/J6DSJRIGIJD47NQX7DCBHD2XOI.jpg?smart=true&auth=9944cf14736935d455ea9855dc2bb7ae1a0e887810ce34e208fa8e86c254417d&width=800&height=533)
