Zac Efron as Cole

Wes Bentley as James

Emily Ratajkowski as Sophie

Jonny Weston as Mason

Shiloh Fernandez as Ollie

Alex Shaffer as Squirrel

Jon Bernthal as Paige Morrell

Alicia Coppola as Mrs. Romero

Wiley M. Pickett as Carl

Jon Abrahams as Nicky

Molly Hagan as Francine

Brittany Furlan as Sara

Vanessa Lengies as Mel

Rebecca Forsythe as Clarissa

Joey Rudman as Joey

Kelsey Formost as Rebecca

Scarlett Benchley as Mindy

Devon Barnes as Heather

Rob Silverman as Valley Hater

Timothy Granaderos as Preppy Guy

Raleigh Adams as Preppy Guy

Kerry Stein as Rabbi

Ayden Mayeri as Rich Girl

Andrew Bachelor as King Bach

Dillon Francis as Devin Andrews

Casey James as Bartender

Desi Jevon as Dancer #1

Ragon Miller as Dancer #2

Miranda Rae Mayo as Courtney (uncredited)

Nēv Schulman as Party Guest (uncredited)

Daniel Pinder as The Skater (uncredited)

Jordan Frank as Party Goer (uncredited)

Alesso as Man Replacing Cole at the Pool Party (uncredited)

Nicky Romero as Self (uncredited)

Chiara Aurelia as Kayli (uncredited)

Tara Beaulieu as Natasha (uncredited)

Becktoria as College Party Girl (uncredited)

Marissa Braun as Groupie (uncredited)

Jan Broberg Felt as Sandra (uncredited)

Mike Carlucci as Smoker (uncredited)

Giselle DaMier as Student (uncredited)

Shahine Ezell as Tim (uncredited)

Paige Flannery as Waitress (uncredited)

Lee Anne Ford as Festival Goer (uncredited)

Martavious Gayles as Hipster (uncredited)

Matthew Gittelson as Club Member (uncredited)

Tina Grimm as Club Patron / Dancer (uncredited)

Jodi Carol Harrison as Paige's Secretary (uncredited)

Rhianna Jagpal as Squirrel's Friend (uncredited)

Casey Larios as Dancer (uncredited)

Jolyne Lowery as Cute Girl (uncredited)

Chris McKernan as House Party Guest (uncredited)

Anna McNiven as Dancer (uncredited)

Lauryn Morse as Art Gallery Guest (uncredited)

Laura Oceane as Festival Girl (uncredited)

Jonny Ortiz as Cholo (uncredited)

Veronica Parks as Bartender (uncredited)

Diana Prince as Stripper (uncredited)

Arielle Raycene as Tan Girl (uncredited)

Korrina Rico as Crystal (uncredited)

Brittany Riley as U5 (uncredited)

Alex Roth as Festival Groupie (uncredited)

Gus Sanchez as Club Patron (uncredited)

Brian Swinehart as Music Producer (uncredited)

Tuesday Thomas as Hooker (uncredited)

Gordon Vasquez as Strip Bar Patron (uncredited)

Madison Rose as Party Girl / Girl in Pool (uncredited)