Michelle Williams

Character: Mitzi Fabelman

Paul Dano

Character: Burt Fabelman

Seth Rogen

Character: Benny Loewy

Gabriel LaBelle

Character: Sammy Fabelman

Mateo Zoryan Francis-DeFord

Character: Younger Sammy Fabelman

Keeley Karsten

Character: Natalie Fabelman

Alina Brace

Character: Young Natalie Fabelman

Julia Butters

Character: Reggie Fabelman

Birdie Borria

Character: Younger Reggie Fabelman

Judd Hirsch

Character: Uncle Boris

Sophia Kopera

Character: Lisa Fabelman

Jeannie Berlin

Character: Hadassah Fabelman

Robin Bartlett

Character: Tina Schildkraut

Sam Rechner

Character: Logan Hall

Oakes Fegley

Character: Chad Thomas

Chloe East

Character: Monica Sherwood

Isabelle Kusman

Character: Claudia Denning

Chandler Lovelle

Character: Renee

Gustavo Escobar

Character: Sal

Nicolas Cantu

Character: Hark

Cooper Dodson

Character: Turkey

Gabriel Bateman

Character: Roger

Stephen Matthew Smith

Character: Angelo

James Urbaniak

Character: Grand View High School Principal

Alex Quijano

Character: Grand View High School PE Coach

Kalama Epstein

Character: Barry

Connor Trinneer

Character: Phil Newhart

Lane Factor

Character: Dean

Greg Grunberg

Character: Bernie Fein

David Lynch

Character: John Ford

Jan Hoag

Character: Nona

Carlos Javier Castillo

Character: Camera Store Clerk

Ezra Buzzington

Character: Camera Store Clerk #2

Paul Chepikian

Character: Pinnacle Peak Owner

Brinly Marum

Character: Janet Benedict

Mason Bumba

Character: Stunt Soldier Boy

Mary M. Flynn

Character: Singer #1

Adriel Porter

Character: Singer #2

Tia Nalls

Character: Singer #3

Larkin Campbell

Character: Scout Father

Harper Dustin

Character: Natalie Photo Double

Crystal the Monkey

Character: Bennie the Monkey

Art Bonilla

Character: Taxi Driver (uncredited)

Meredith VanCuyk

Character: Student (uncredited)

Vera Myers

Character: Senior Classmate (uncredited)

Cody Mitchell Key

Character: Boy Scout (uncredited)

Caroline Anna-Kaye Green

Character: Senior Classmate (uncredited)

Rob Shiells

Character: Chad's Posse (uncredited)

Julyah Rose

Character: Theater Goer (uncredited)

Jonathan Moorwood

Character: Chad's Posse (uncredited)

Ari Davis

Character: Theatre Patron (uncredited)

Jared Becker

Character: Lead Guitarist (uncredited)

Kendal Evans

Character: Balloon Girl (uncredited)

Trang Vo

Character: High School Friend (uncredited)

Alejandro Fuenzalida

Character: Boy Scout (uncredited)

Orion Hunter

Character: Boy Scout (uncredited)

Samantha Rose Gomez

Character: Boy Scout Sibling (uncredited)

Taylor Stone

Character: Senior Classmate (uncredited)

Sarah Hamilton

Character: Senior Classmate (uncredited)

Paige Locke

Character: Cheerleader (uncredited)

Marissa McBride

Character: Senior Classmate (uncredited)

Malachi Mickelonis

Character: Student (uncredited)

Max David Weinberg

Character: Student (uncredited)

Cameron Hennings

Character: Student (uncredited)

Nicole Alicia Xavier

Character: Sammy’s Classmate (uncredited)

Nikolai Bazan

Character: Boy Scout (uncredited)

Nicco Caruso

Character: Prom Date (uncredited)

Colt Carville

Character: Boy Scout (uncredited)

Ure Egbuho

Character: Theater Patron (uncredited)

April Elize

Character: Classmate (uncredited)

Seth Fuentes

Character: Student (uncredited)

Andrew Goodman

Character: Pedestrian/Theater Patron (uncredited)

Phoebe Grant

Character: Student (uncredited)

Cat Heinen

Character: High School Student (uncredited)

Jake Kidwell

Character: Volleyball Player (uncredited)

Julian Lerma

Character: Boy Scout in Theater (uncredited)

Cody Miller

Character: Chad's Teammate (uncredited)

Nick W. Nicholson

Character: Teacher (uncredited)

Molly Renze

Character: Driver (uncredited)

Paige Robberstad

Character: Cheerleader (uncredited)

Brandon Keith Rogers

Character: Senior Class Member (uncredited)

Lucy Schmidt

Character: Sammy's Classmate (uncredited)

Nicole Singh

Character: Student (uncredited)