Cailee Spaeny

Lily

Zoey Luna

Lourdes

Gideon Adlon

Frankie

Lovie Simone

Tabby

David Duchovny

Adam

Michelle Monaghan

Helen

Nicholas Galitzine

Timmy

Julian Grey

Abe

Charles Vandervaart

Jacob

Donald MacLean Jr.

Isaiah

Fairuza Balk

Nancy Downs

Hannah Gordon

Ashley

Chris Tomassetti

Jeremy

Kris Siddiqi

Sex-Ed Teacher

James Madge

Mr. Bly

Victor Chiu

Detention Teacher

Devin Cecchetto

Popular Girl

Debbie Fan

Woman Behind Desk

Heath V. Salazar

Bullied Student

Eddie Max Huband

Bully

Travis Caverhill

Valentine (uncredited)

Michael Dara

Cat Calling Man (uncredited)

Owen Szabo

Birthmark Man (uncredited)