Adam Sandler as Lenny Feder

Kevin James as Eric Lamonsoff

Chris Rock as Kurt McKenzie

David Spade as Marcus Higgins

Rob Schneider as Rob Hilliard

Salma Hayek Pinault as Roxanne Chase-Feder

Maria Bello as Sally Lamonsoff

Maya Rudolph as Deanne McKenzie

Joyce Van Patten as Gloria

Ebony Jo-Ann as Mama Ronzoni

Di Quon as Rita

Steve Buscemi as Wiley

Colin Quinn as Dickie Bailey

Tim Meadows as Malcolm

Madison Riley as Jasmine Hilliard

Jamie Chung as Amber Hilliard

Ashley Loren as Bridget Hilliard

Jake Goldberg as Greg Feder

Cameron Boyce as Keithie Feder

Alexys Nycole Sanchez as Becky Feder

Ada-Nicole Sanger as Donna Lamonsoff

Frank Gingerich as Bean Lamonsoff

Morgan Gingerich as Bean Lamonsoff

Nadji Jeter as Andre McKenzie

China Anne McClain as Charlotte McKenzie

Dan Patrick as Norby The Ride Guy

Tim Herlihy as Pastor

Blake Clark as Bobby 'Buzzer' Ferdinando

Norm Macdonald as Geezer

Jonathan Loughran as Robideaux

Kevin Grady as Muzby

Richie Minervini as Tardio

Jackie Sandler as Tardio's Wife

Sadie Sandler as Tardio's Daughter

Sunny Sandler as Tardio's Daughter

Dennis Dugan as Referee

Lisa M. Francis as Bailey's Wife

Berkeley Holman as Bailey's Son

Michael Cavaleri as Young Lenny Feder

Andrew Bayard as Young Eric Lamonsoff

Jameel McGill as Young Kurt McKenzie

Kyle Brooks as Young Marcus Higgins

Joshua Matz as Young Rob Hilliard

J.D. Donaruma as Higgins' Father

Billy Concha as Scoreboard Guy

Alec Musser as Water Park Stud

Henriette Mantel as Waitress

Hunter Silva as Young Bailey

Christopher Borger as Young Malcolm

Connor Panzner as Young Robideaux

Jeremy Weaver as Young Muzby

Daniel Cohen as Young Tardio

Jonathan Crowley as Milk Kid

Dannielle Rose as Relative at Party (uncredited)