FAQ About Stranger Things

Winona Ryder - Joyce Byers, divorced from husband Lonnie, mother to Will and Jonathan Byers.

David Harbor - Superintendent of Jim Hopper, Hawkins Police Chief. He divorced his wife after his youngest daughter died of cancer, which resulted in him becoming an alcoholic.

Finn Wolfhard - Mike Wheeler, Karen and Ted's son, Nancy's younger brother and one of Will Byers' three friends. He is a smart and honest student and is devoted to his friends. He likes Eleven.

Millie Bobby Brown - Jane Ives / Hopper / Eleven ("Hand") is a young girl with psychokinetic abilities, an unusual appearance and limited vocabulary. Mike befriends Dustin and Lucas.

Gaten Matarazzo - Dustin Henderson, one of Will's friends. He is limp because he has cleidocranial dysplasia.

Caleb McLaughlin - Lucas Sinclair, one of Will's friends. At first he is wary of and dislikes Eleven, but later becomes friends with her.

Natalia Dyer - Nancy Wheeler, Karen and Ted's daughter, Mike's older sister and Steve Harrington's ex-girlfriend.

Charlie Heaton as Jonathan Byers, Will Byers' older brother and Joyce Byers' son. He is an introverted, calm and enthusiastic young man. He is very close with his mother and sister.

Noah Schnapp - Will Byers, younger brother of Jonathan Byers and son of Joyce Byers. He disappears after encountering the monster from "Upside Down" discovered by Hawkins Laboratory scientists. Schnapp was promoted to the main cast in the second season, after being in the supporting cast in the first season.

Sadie Sink as Maxine "Max" Mayfield / "Madmax" is Billy's half-sister and a girl who is attracted to both Lucas and Dustin.

Joe Keery - Steve Harrington, Nancy Wheeler's ex-girlfriend. Steve, a popular high school student, initially tries to have an affair with Nancy and ostracize Jonathan Byers; but he regrets it. Keery was promoted to the main cast in the second season after being in the supporting cast in the first season.

Dacre Montgomery as Billy Hargrove, Max's psychotic half-brother.