- Miranda Cosgrove
- Carly Shay
- Jennette McCurdy
- Sam Puckett
- Nathan Kress
- Fredward 'Freddie' Benson
- Jerry Trainor
- Spencer Shay
- Mary Scheer
- Marissa Benson
- Elaine Mani Lee
- Hotel Clerk
- Ally Maki
- Kyôko
- Jonathan Mangum
- Henri P'Twa
- Michael Butler Murray
- Mr. Wilkins
- Brandon Parrish
- Roland
- Jeremy Rowley
- Lewbert
- Harry Shum Jr.
- Yûki
- Don Stark
- Freight Dog
- Americus Abesamis
- Toupée Guard
- Hidekun Hah
- Booth AD
- Keisuke Hoashi
- Security Chief
- Jolene Kim
- Director
- Lisa Lillien
- Self
- Emil Lin
- Security Guard
- Tohoru Masamune
- Massage Therapist #1
- Yuki Matsuzaki
- Taxi Driver
- Michael Ng
- Massage Therapist #2
- Sonny Saito
- Police Officer
- Danny Seckel
- Victor Price
- Miki Yamashita
- Switcher
- Eugene Choy
- Cranky Old Man
- Laurie Creach
- Stunts
- Melissa Disney
- (voice)
- Dorian Kingi
- Spencer's Stunt Double
- Andrew Kishino
- Japanese Voice
- James S.W. Lee
- Japanese Standee
- Michael Li
- Cab Driver's Stunt Double
- Shaun W. Loeser
- Freddie's Stunt Double
- Jessica McClain
- Swedish Standee
- Mark Musashi
- Yûki's Stunt Double
- Julie Nathanson
- Swedish Voice
- Joe Ordaz
- Stunts
- Jade Quon
- Kyôko's Stunt Double
- Webster P. Whinery Jr.
- Spencer's Stunt Double
- Tony Calle
- Concert-Goer
- Kaynon Gomez
- Simon Epstain
- Good Charlotte
- Themselves
- Sae Imai
- Japanese Concert-Goer
- Dani Jayden
- Japanese Concert-Goer
- Caine Sheppard
- Carly's friend
- Serein Wu
- Japanese Concert attendee
