Dirty Grandpa

Robert De Niro

Dick Kelly

Zac Efron

Jason Kelly

Aubrey Plaza

Lenore

Zoey Deutch

Shadia

Julianne Hough

Meredith Goldstein

Dermot Mulroney

David Kelly

Adam Pally

Cousin Nick

Brandon Mychal Smith

Tyrone

Mo Collins

Officer Finch

Henry Zebrowski

Officer Reiter

Danny Glover

Stinky

Jason Mantzoukas

Tan Pam

Michael Hudson

Brah

Jake Picking

Cody

Deena Dill

Cougar #1

Lane Carlock

Cougar #2

Eugenia Kuzmina

Hippie Cathy

Joshua Mikel

Hippie Griz

Warren Steele

Hippie Bart

Catherine Dyer

Brooke Kelly

Jeffrey Bowyer-Chapman

Bradley

Amy Parrish

Wedding Planner

Chandler Darby

Teenager

Nelson Bonilla

Random Cop

Eric Goins

Father at Beach

Gavin Munn

Boy on Beach

Michael H. Cole

Catholic Priest

Blaque Fowler

Rabbi

Matthew Cornwell

Father at Wake

Christopher Setticase

College Kid

DeRon Horton

Georgia Student

Sallye Hooks

Female Hippie Chick

Stephanie Astalos-Jones

Rest Stop Waitress

Shawn Shepard

Karaoke MC

Michaele Chappell

Jamaican Nurse

Wiley Rinaldi

Uncle Rubin

Amelia Brain

Party Girl

Paul Manzella

ASL Signer at Wedding

Sean Apuzzo

Spring Breaker (uncredited)

Deanne Black

Beach Girl (uncredited)

Johnathan Blake

Restaurant Patron (uncredited)

Glenn D. Bridges

Beach-Goer (uncredited)

Nicole Broadway

Drunk Girl (uncredited)

Lance Brock

Spring Breaker (uncredited)

Anthony Bryant

Beach Goer (uncredited)

Teo Ciltia

Spring Breaker (uncredited)

Andrew Cunningham

Hype Man (uncredited)

Alyssa D'Addieco

Funeral Patron (uncredited)

Ruth Dalton

Wedding Guest (uncredited)

Maria Diavolitsis

Wedding Brunch Server (uncredited)

Payson Durant

Car Driver (uncredited)

Heath Estep

Spring Breaker (uncredited)

Shaun Forker

Wedding Brunch Guest (uncredited)

Frank Francisco

Karaoke Bar Patron (uncredited)

Rachel Freidt

Party Goer (uncredited)

Toni Ann Gambale

Classy Spring Breaker (uncredited)

Maggie Harrison

Bridesmaid (uncredited)

James Harvley

Funeral Attendee (uncredited)

Rory Healy

Wedding Guest (uncredited)

Walter Hendrix III

Funeral Patron (uncredited)

Vin Hill

Tyrone's Friend (uncredited)

Anniston Howell

Funeral Guest (uncredited)

Jon M. Hudson

Spring Breaker (uncredited)

Zuri James

Nice Guy (uncredited)

Jennifer Lynn

Spring Breaker (uncredited)

Ashley D. Merritt

Spring Break Student (uncredited)

Reuben Shaw

Tyrone's Crew (uncredited)

Mark Rhino Smith

Beach-Goer / Biker / Construction Worker (uncredited)

Jordan Verroi

Groomsman (uncredited)

Daniel Nickels

Detective (uncredited)

John Phillips

Outraged Wedding Guest (uncredited)

Quentin Plair

African Studies Professor (uncredited)

Boriana Williams

Little Girl on Beach (uncredited)

Richard Williams

Beach-Goer (uncredited)

Tiree Worley

Beach Bum (uncredited)