Projet X

Thomas Mann

Thomas Kub

Oliver Cooper

Costa

Jonathan Daniel Brown

JB

Dax Flame

Dax

Kirby Bliss Blanton

Kirby

Miles Teller

Miles

Brady Hender

Everett

Nick Nervies

Tyler

Alexis Knapp

Alexis

Peter MacKenzie

Dad

Caitlin Dulany

Mom

Rob Evors

Rob

Rick Shapiro

T-Rick

Brendan Miller

Brendan

Nichole Sakura

JB's Girl

Martin Klebba

Angry Little Person

Sam Lant

Freshman Party Crasher

Robb Reesman

Police Captain

Kevin Dunigan

Police Officer

Colleen Flynn

Mrs. Stillson

Zach Lasry

High School Student

Pete Gardner

Older Guy

Jodi Harris

Older Guy's Wife

Kevin Ryder

Kevin

Jillian Barberie

Herself

Jimmy Kimmel

Jimmy Kimmel

Sophia Santi

Hispanic Neighbor

Chet Hanks

Party Goer

Ciara Hanna

Ecstasy Girl (non-crédité)