Jack

Gaten Matarazzo

Lizzy

Lulu Wilson

Montgomery

Sean Giambrone

Frankie

Sarah Sherman

Blake

Jack Martin

Ashley

Peyton Elizabeth Lee

Sidney

Caleb Hearon

Logan

Marcus Scribner

Stoner Guy

Chris Schmidt Jr.

Juan

Miguel-Andres Garcia

Byron

Justin Cooley

Skinny Kid in Elevator

Luke Burke

Jake

Hyde Healy

10 Year Old Lizzy

Abigail Wood

Young Popular Girl

Mia Cavallero

RA Henchman

Shiv Pai

Ryan

Ryan Micho

Lydia

Lydia Hines

Tommy

Tommy Armstrong

Colin

Kevin Matthew Reyes

Aidan

Aidan Micho

Tiffany

Ava Laborde

Football Coach

James Collins

Delivery Guy

Jordan Carlos

Pete

Pete Flack

Ex-Football Bro

Lucas Zelnick

Nick

Nick Kocher

Brian

Brian McElhaney

Grandpa

Peter Gerety

Matthew

Christopher Martinez

Sweet Student Union Girl

Chelsea Matkins

Older Jack

Adam Herschman

Cabaret Puppet (voice)

Aaron Schroeder

Snackatron 3000 (voice)

Bobby Moynihan

Pizza Place Guy (voice)

Adam Ray

Lysander (voice)

Daniel Radcliffe