Sadie Sink

Christine 'Ziggy' Berman

Gillian Jacobs

C. Berman / Adult Ziggy

Ashley Zukerman

Sheriff Nick Goode

Jordana Spiro

Nurse Mary Lane

Jordyn DiNatale

Ruby Lane

Kevin Waterman

'The Milkman' Harry Rooker

Emily Brobst

Billy Barker

Keil Oakley Zepernick

'Shame Killer' Isaac Milton

Michael Chandler

'The Pastor' Cyrus Miller

Matthew Zuk

Mayor Will Goode

Jason Edwards

Sunnyvale Cop

Dylan Gage

Jeremy

Julia Rehwald

Kate Schmidt (archive footage)

Olivia Scott Welch

Samantha 'Sam' Fraser

Benjamin Flores Jr.

Josh Johnson

Kiana Madeira

Deena Johnson

Emily Rudd

Cindy Berman

Ryan Simpkins

Alice

McCabe Slye

Tommy Slater

Ted Sutherland

Young Nick Goode