Guest Stars: Rob Morgan (2) as Deputy Powell | Joe Chrest as Ted Wheeler | Joe Keery as Steve Harrington | Ross Partridge as Lonnie | Shannon Purser as Barbara | John Paul Reynolds as TBD | Noah Schnapp as Will | Mark Steger as The Monster | Chris Sullivan (1) as Benny |

Co-Guest Stars: Andrew Benator as Elavator scientist | Stefanie Butler as cynthia | David Dwyer as Earl | Catherine Dyer as Agent Connie Frazier | Salem Hadeed-murphy as High School Principal | Randy Havens as Mr. Clark | Hugh Holub as Scientist | Tobias Jelinek as Lead Agent | Cade Jones as James | Anniston Price as Holly Wheeler | Tinsley Price as Holly Wheeler | Anthony Reynolds as Agent | Susan Larkin as Florence (Credited as Susan Shalhoub Larkin) | Tony Vaughn as Principal Coleman | Peyton Wich as Troy | Brenda Wood as Local newscaster

Directors: Matt Duffer, Ross Duffer

Writer: Matt Duffer, Ross Duffer