Sophia Bush   as   Adrienne Monroe Black
Born March 12th 1966
Iris's Best friend
Friends with Jonathan
Has a crush on Steve 

Joe Keery As Steve Harrington
Born April 29th 1966
Dating Nancy
Friends with Carol, Tommy , etc.

Hilarie Burton   As   Iris Scott
Born July 24th 1966
Dating Jonathan
Best friends with Adrienne

And the rest of the stranger things characters as themselves