Drums – Josh FreeseGuitar – Michael WardKeyboards, Programmed By – Jon O'Brien*Music By – Evan Taubenfeld

Drums – Brooks WackermanGuitar – Michael WardKeyboards, Programmed By – Jon O'Brien*, Static Piano – Chantal KreviazukWritten-By – Chantal Kreviazuk

Acoustic Guitar – Evan TaubenfeldBacking Vocals – Evan TaubenfeldBass, Keyboards, Percussion, Programmed By – Butch WalkerDrums – Kenny CresswellElectric Guitar – Butch Walker, Evan TaubenfeldMusic By – Evan Taubenfeld

Bass – Mike ElizondoDrums – Bill LeflerGuitar – Phil XPercussion – Brian GarciaWritten-By – Chantal Kreviazuk

Arranged By [Strings] – Avril Lavigne, Chantal Kreviazuk, Raine MaidaBass, Programmed By – Jason LaderCello – Victor LawrenceDrums – Bill LeflerGuitar – Phil XKeyboards – Chantal Kreviazuk, Raine MaidaPercussion – Brian GarciaRecorded By [Strings/orchestra] – Brian Garcia, Raine MaidaViolin – Mark Robertson , Fisher*Written-By – Chantal Kreviazuk

Acoustic Guitar, Electric Guitar, Bass, Piano, Programmed By – Butch WalkerDrum Programming – Dan ChaseDrums, Percussion – Kenny AronoffKeyboards, Strings, Other [Chamberlain] – Patrick WarrenWritten-By – Butch Walker

Arranged By [Strings] – David CampbellDrums – Brooks WackermanGuitar – Ben MoodyKeyboards, Programmed By – Jon O'Brien*Music By – Avril Lavigne, Ben Moody

Drums – Josh FreeseGuitar – Michael WardKeyboards, Programmed By – Jon O'Brien*Written-By – Chantal Kreviazuk

Bass, Programmed By – Jason LaderDrums – Bill LeflerGuitar – Phil XKeyboards – Raine MaidaPercussion – Brian GarciaWritten-By – Chantal Kreviazuk

Bass, Programmed By – Jason LaderDrums, Percussion – Kenny AronoffGuitar – Nick Lashley, Phil X, Raine MaidaWritten-By – Raine Maida

Acoustic Guitar, Drums – Evan TaubenfeldBacking Vocals – Evan TaubenfeldBass, Percussion, Programmed By – Butch WalkerElectric Guitar – Butch Walker, Evan TaubenfeldMusic By – Evan Taubenfeld, Matt Brann*

Arranged By [Strings] – Chantal Kreviazuk, Raine MaidaBass, Programmed By – Jason LaderCello – Victor LawrenceDrums – Bill LeflerGuitar – Avril Lavigne, Phil X, Raine MaidaPercussion – Brian GarciaPiano – Chantal KreviazukRecorded By [Strings/orchestra] – Brian Garcia, William TabanouViola – Alma FernandezViolin [Violins] – Mark Robertson Written-By – Chantal Kreviazuk

Acoustic Guitar, Electric Guitar, Bass, Keyboards, Piano, Programmed By – Clif MagnessDrums – Josh FreeseProducer, Recorded By, Mixed By – Clif MagnessWritten-By – Avril Lavigne, Clif Magness

Guitar, Backing Vocals – Evan TaubenfeldLead Vocals, Guitar – Avril LavigneRecorded By, Mixed By – Jim Yakabuski

Mixed By, Arranged By, Recorded By, Producer, Acoustic Guitar – Peter ZizzoWritten-By – Avril Lavigne, Peter Zizzo

Producer – Clif MagnessWritten-By – Avril Lavigne, Clif Magness

Guitar [Guitars] – Corky JamesMixed By, Arranged By, Recorded By, Vocals [Additional] – The Matrix Written-By – A. Lavigne*, G. Edwards*, L. Christy*, S. Spock*

Arranged By, Recorded By – The Matrix Drums – Victor Indruizzo*Guitar – Corky JamesMixed By – Tom Lord-AlgeMixed By [Assistant] – Femio HernandezProducer – The Matrix Recorded By [Drums] – Mark HowardVocals [Additional] – The Matrix Written-By – Avril Lavigne, The Matrix

Arranged By, Recorded By – The Matrix Cello – Suzi Katayama*Guitar – Corky JamesMixed By – Tom Lord-AlgeMixed By [Assistant] – Femio HernandezProducer – The Matrix Vocals [Additional] – The Matrix Written-By – Avril Lavigne, The Matrix

Drums – Josh FreeseGuitar [All], Bass, Keyboards, Programmed By – Clif MagnessMixed By – Randy StaubMixed By [Assistant] – German VillacortaProducer – Clif MagnessRecorded By – Clif MagnessRecorded By [Drums - Assistant] – Tom HardistyRecorded By [Drums] – Steve GryphonWritten-By – Avril Lavigne, Clif Magness

Drums – Alex ElenaInstruments [All], Programmed By – Curt FrascaMixed By – Tom Lord-AlgeMixed By [Assistant] – Femio HernandezProducer – Curt FrascaProducer [Vocal Arrangement & Additional Vocal] – Sabelle BreerRecorded By – Curt Frasca, Jon BermanWritten-By – Avril Lavigne, Curt Frasca, Sabelle Breer