Two of the photos show Stranger Things stars Sadie Sink, 21, and Caleb McLaughlin, 22. The actors portray Max Mayfield and Lucas Sinclair, after Sink joined the show in its second season.

Stranger Things' Season 4 Teaser Returns to Hawkins Laboratory Caleb McLaughlin Says 'I'm Trying to Be Like' 'Concrete Cowboy' Costar Idris Elba 'When I Get Older' Why' Stranger Things' ' Caleb ...

Watch Millie Bobby Brown, Finn Wolfhard, Noah Schnapp, Caleb McLaughlin and Gaten Matarazzo's 2015 ‘Stranger Things’ auditions. The cast of 'Stranger Things' talks playing more mature story ...