Sadie Sink

Ziggy Berman

Emily Rudd

Cindy Berman

Ryan Simpkins

Alice

McCabe Slye

Tommy Slater

Gillian Jacobs

C. Berman / Adult Ziggy

Kiana Madeira

Deena

Benjamin Flores Jr.

Josh

Ted Sutherland

Young Nick Goode

Meghan Packer

TV Anchor

Matthew Zuk

Mayor Will Goode

Olivia Scott Welch

Sam Fraser

Brandon Spink

Young Will Goode

Chiara Aurelia

Sheila

Marcelle LeBlanc

Becky

Eden Campbell

Annie

Michael Provost

Kurt

Drew Scheid

Gary

Jacqi Vene

Joan

Sam Brooks

Arnie

Jordana Spiro

Nurse Mary Lane

Jason Edwards

Sunnyvale Cop

Paul Teal

Young Officer Kapinski

Alex Huff

Mean Sunnyvale Jailer

Dylan Gage

Jeremy