Sadie Sink character Christine 'Ziggy' Berman
Emily Rudd character Cindy Berman
Ryan Simpkins character Alice
McCabe Slye character Tommy Slater
Ted Sutherland character Young Nick Goode
Chiara Aurelia character Sheila
Brandon Spink character Young Will Goode
Marcelle LeBlanc character Becky
Eden Campbell character Annie
Michael Provost character Kurt
Drew Scheid character Gary
Jacqi Vene character Joan
Sam Brooks character Arnie
Kiana Madeira character Deena Johnson
Benjamin Flores Jr. character Josh Johnson
Olivia Scott Welch character Samantha 'Sam' Fraser
Gillian Jacobs character C. Berman / Adult Ziggy
Ashley Zukerman character Sheriff Nick Goode
Jordana Spiro character Nurse Mary Lane
Jordyn DiNatale character Ruby Lane
Kevin Waterman character 'The Milkman' Harry Rooker
Emily Brobst character Billy Barker
Keil Oakley Zepernick character 'Shame Killer' Isaac Milton
Michael Chandler character 'The Pastor' Cyrus Miller
Elizabeth Scopel character Sarah Fier
Matthew Zuk character Mayor Will Goode
Meghan Packer character TV Anchor
Jason Edwards character Sunnyvale Cop
Paul Teal character Young Officer Kapinski
Alex Huff character Mean Sunnyvale Jailer
Dylan Gage character Jeremy
Jayden Griffin character Cool Sunnyvale Camper
Lana Spraley character Shadyside Prisoner #1
Ja'rell Anderson character Shadyside Prisoner #2
Kenneth Trujillo character EMT
Julia Rehwald character Kate Schmidt (archive footage)
Fred Hechinger character Simon Kalivoda (archive footage)
