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