Robert De Niro as Dick Kelly

Zac Efron as Jason Kelly

Aubrey Plaza as Lenore

Zoey Deutch as Shadia

Julianne Hough as Meredith Goldstein

Dermot Mulroney as David Kelly

Adam Pally as Cousin Nick

Brandon Mychal Smith as Tyrone

Mo Collins as Officer Finch

Henry Zebrowski as Officer Reiter

Danny Glover as Stinky

Jason Mantzoukas as Tan Pam

Michael Hudson as Brah

Jake Picking as Cody

Deena Dill as Cougar #1

Lane Carlock as Cougar #2

Eugenia Kuzmina as Hippie Cathy

Joshua Mikel as Hippie Griz

Warren Steele as Hippie Bart

Catherine Dyer as Brooke Kelly

Jeffrey Bowyer-Chapman as Bradley

Amy Parrish as Wedding Planner

Chandler Darby as Teenager

Nelson Bonilla as Random Cop

Eric Goins as Father at Beach

Gavin Munn as Boy on Beach

Michael H. Cole as Catholic Priest

Blaque Fowler as Rabbi

Matthew Cornwell as Father at Wake

Christopher Setticase as College Kid

DeRon Horton as Georgia Student

Sallye Hooks as Female Hippie Chick

Stephanie Astalos-Jones as Rest Stop Waitress

Shawn Shepard as Karaoke MC

Michaele Chappell as Jamaican Nurse

Wiley Rinaldi as Uncle Rubin

Amelia Brain as Party Girl

Paul Manzella as ASL Signer at Wedding

Sean Apuzzo as Spring Breaker (uncredited)

Deanne Black as Beach Girl (uncredited)

Johnathan Blake as Restaurant Patron (uncredited)

Glenn D. Bridges as Beach-Goer (uncredited)

Nicole Broadway as Drunk Girl (uncredited)

Lance Brock as Spring Breaker (uncredited)

Anthony Bryant as Beach Goer (uncredited)

Teo Ciltia as Spring Breaker (uncredited)

Andrew Cunningham as Hype Man (uncredited)

Alyssa D'Addieco as Funeral Patron (uncredited)

Ruth Dalton as Wedding Guest (uncredited)

Maria Diavolitsis as Wedding Brunch Server (uncredited)

Payson Durant as Car Driver (uncredited)

Heath Estep as Spring Breaker (uncredited)

Shaun Forker as Wedding Brunch Guest (uncredited)

Frank Francisco as Karaoke Bar Patron (uncredited)

Rachel Freidt as Party Goer (uncredited)

Toni Ann Gambale as Classy Spring Breaker (uncredited)

Maggie Harrison as Bridesmaid (uncredited)

James Harvley as Funeral Attendee (uncredited)

Rory Healy as Wedding Guest (uncredited)

Walter Hendrix III as Funeral Patron (uncredited)

Vin Hill as Tyrone's Friend (uncredited)

Anniston Howell as Funeral Guest (uncredited)

Jon M. Hudson as Spring Breaker (uncredited)

Zuri James as Nice Guy (uncredited)

Jennifer Lynn as Spring Breaker (uncredited)

Ashley D. Merritt as Spring Break Student (uncredited)

Reuben Shaw as Tyrone's Crew (uncredited)

Mark Rhino Smith as Beach-Goer / Biker / Construction Worker (uncredited)

Jordan Verroi as Groomsman (uncredited)

Daniel Nickels as Detective (uncredited)

John Phillips as Outraged Wedding Guest (uncredited)

Quentin Plair as African Studies Professor (uncredited)

Joe Warshaw as Funeral Attendee (uncredited)

Boriana Williams as Little Girl on Beach (uncredited)

Richard Williams as Beach-Goer (uncredited)

Tiree Worley as Beach Bum (uncredited)