Jennette McCurdy

as Savannah Westcott

Noah Crawford

as Griffin Bing

Noah Munck

as Darren Vader

Ariana Grande

as Amanda Benson

Ciara Bravo

as Melissa Bing

Christopher O'Neal

as Ben Dupree

Fred Ewanuick

as Paul Swindell

Sandy Robson

as Anton Leferve

Claudio Encarnacion Montero

as PJ

Gardiner Millar

as Ivan Volkov

Mitch Duffield

as Eddie Goldmeyer

Chris Shields

as Ben's Dad

Lucia Walters

as Ben's Mom

Farrah Aviva

as Bride

Aurelio Dinunzio

as Bride's Father

Matteo Stefan

as Doug

Phillip Lee

as Joey the Jock

Chiara Guzzo

as Kirsten

Marrett Green

as News Reporter

Ecstasia Sanders

as Hotel Manager

Revard Dufresne

as Goon #1

Andre Tricoteux

as Goon #2

Sachin Sahel

as Bellboy

Neelam Khabra

as Female Masseuse

Patricia Drake

as Swindell's Masseuse

Greg Webb

as Man in Suit

Kathy Hubble

as Grandmother

Angelina Pratap

as Girl

Sean Amsing

as Band Member #1

Ian Edwards

as Band Member #2

Bethany Brown

as Band Member #3

Fane Tse

as Band Member #4

Zahf Paroo

as TV Host

Simon Chin

as Inventor #1

Tanja Dixon-Warren

as Inventor #2

Mike Kovac

as Delivery Guy #1

Gary Sekhon

as Delivery Guy #2

Jeremy Wong

as Cheerleader #1

Jeff Mortensen

as Cheerleader #2