Thomas Mann as Thomas Kub

Oliver Cooper as Costa

Jonathan Daniel Brown as JB

Dax Flame as Dax

Kirby Bliss Blanton as Kirby

Brady Hender as Everett

Nick Nervies as Tyler

Alexis Knapp as Alexis

Miles Teller as Miles Teller

Peter MacKenzie as Dad

Caitlin Dulany as Mom

Rob Evors as Rob

Rick Shapiro as T-Rick

Martin Klebba as Angry Little Person

Pete Gardner as Older Guy

Nichole Sakura as JB's Girl

Sam Lant as Freshman Party Crasher

Henry Michaelson as Freshman Party Crasher

Brendan Miller as Brendan

Brent Tarnol as Locker Room Guy

Kyle Kwasnick as Locker Room Guy

David Sanchez as High School Student

Ayydé Vargas as High School Student

Chelsea Carbaugh-Rutland as High School Student

Zach Lasry as High School Student

Michael C. Stretton as High School Student

Andrew Harbour as High School Student

Allan Chanes as High School Student

Holden Morse as High School Student

Raz Mataz as Partygoer

Briana Mari Wilde as Partygoer

Jarod Einsohn as Partygoer

Chet Hanks as Party Goer

Julian Evans as Partygoer

Jesse Marco as DJ

Chic Daniels as Police Officer

Kevin Dunigan as Police Officer

Colleen Flynn as Mrs. Stillson

Sophia Santi as Hispanic Neighbor

Jodi Harris as Older Guy's Wife

Frank Buckley as Channel 6 Reporter

Serene Branson as Channel 8 Reporter

Robb Reesman as Police Captain

Kevin Ryder as Kevin

Gene Baxter as Bean

Big Boy as Big Boy

Jimmy Kimmel as Jimmy Kimmel

Jillian Warry Barberie as Herself

Ciara Hanna as Ecstasy Girl (uncredited)

Catherine Lidstone as Partygoer (Uncredited)

Patrick Phan as Partygoer (uncredited)

Shawn Turner as Party Jock (uncredited)