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