Lindsay Lohan – Speak

Backing Vocals, Producer, Written-By – Kara DioGuardi
Bass, Guitar, Keyboards, Mixed By, Producer, Written-By – John Shanks
Drums, Mixed By, Programmed By, Recorded By – Jeff Rothschild
Engineer [Additional] – Mark Valentine
Engineer [Additional] – Lars Fox
Keyboards – Jamie Muhoberac
Keyboards, Programmed By – Jason Lader
Recorded By – Dave Audé

Backing Vocals, Producer, Written-By – Kara DioGuardi
Bass, Guitar, Keyboards, Mixed By, Producer, Written-By – John Shanks
Drums, Mixed By, Recorded By – Jeff Rothschild
Engineer [Additional] – Lars Fox
Keyboards, Programmed By – Jason Lader

Backing Vocals – Anna Nordell
Backing Vocals – Lindsay Lohan
Backing Vocals, Guitar, Producer, Recorded By, Written-By – Andreas Carlsson
Backing Vocals, Producer – Kara DioGuardi
Bass, Drums, Guitar, Keyboards, Mixed By, Producer – John Shanks
Bass, Drums, Recorded By, Keyboards – Harry Sommerdahl
Drums [Additional], Programmed By [Additional], Mixed By, Recorded By – Jeff Rothschild
Engineer [Additional] – Pablo Munguia
Engineer [Additional] – Lars Fox
Written-By – Lisa Greene
Written-By – Savan Kotecha
Written-By – Lindsay Lohan

Backing Vocals, Producer, Written-By – Kara DioGuardi
Bass, Guitar, Keyboards, Mixed By, Producer, Written-By – John Shanks
Drums, Mixed By, Recorded By – Jeff Rothschild
Engineer [Additional] – Dave Audé
Engineer [Additional] – Lars Fox
Programmed By – Jason Lader
Recorded By – Mark Valentine
Written-By – Lindsay Lohan

Backing Vocals – Kara DioGuardi
Bass, Guitar, Keyboards, Mixed By, Producer, Written-By – John Shanks
Drums, Mixed By, Programmed By, Recorded By – Jeff Rothschild
Engineer [Additional] – Dave Audé
Engineer [Additional] – Mark Valentine
Producer, Written-By – Kara DioGuardi
Written-By – Lindsay Lohan

Arranged By [Strings] – David Campbell
Backing Vocals, Written-By – Shelly Peiken
Bass, Guitar, Keyboards, Mixed By, Producer, Written-By – John Shanks
Cello – Larry Corbett
Cello – Suzie Katayama
Concertmaster, Violin – Charlie Bisharat
Drums – Vinnie Colaiuta
Engineer [Additional] – Dave Audé
Engineer [Additional] – Mark Valentine
Mixed By, Programmed By, Recorded By – Jeff Rothschild
Producer – Kara DioGuardi
Viola – Denyse Buffum
Viola – Darrin McCann
Violin – Alan Grunfeld
Violin – Mario DeLeon
Violin – Peter Kent (2)
Violin – Roberto Cani
Violin – Sarah Thornblade
Violin – Armen Garabedian
Violin – Berj Garabedian

Backing Vocals, Producer, Written-By – Kara DioGuardi
Bass, Guitar, Keyboards, Mixed By, Written-By, Producer – John Shanks
Drums, Programmed By, Mixed By, Recorded By – Jeff Rothschild
Engineer [Additional] – Dave Audé
Keyboards, Programmed By – Jason Lader
Written-By – Lindsay Lohan

Backing Vocals, Producer – Kara DioGuardi
Bass, Guitar, Keyboards, Mixed By, Producer – John Shanks
Bass, Keyboards, Producer, Programmed By, Recorded By – Kalle Engström
Guitar, Written-By – Carl Falk (2)
Keyboards, Producer, Programmed By, Recorded By, Written-By – Kristian Lundin
Recorded By – Dave Audé
Recorded By – Lars Fox
Recorded By [Vocals], Drums, Mixed By, Programmed By – Jeff Rothschild
Written-By – Jacob Schulze
Written-By – Savan Kotecha
Written-By – Carl Björsell
Written-By – Didrik Thott
Written-By – Sebastian Thott

Backing Vocals – Havan Le
Backing Vocals – Lindsay Lohan
Guitar – Børge Petersen Øverleir
Mixed By – Dave Way
Other [Assisted By] – Martin Sjølie
Other [Assisted By] – Chris Avedon
Other [Assisted By] – Lior Goldenberg
Programmed By [Keyboards], Backing Vocals, Drums, Producer, Recorded By, Written-By – David Eriksen
Recorded By – Peter Wade Keusch
Written-By – Tom Nichols

Backing Vocals, Producer – Kara DioGuardi
Bass, Guitar, Keyboards, Mixed By, Producer – John Shanks
Drums, Mixed By, Programmed By, Recorded By – Jeff Rothschild
Engineer [Additional] – Dave Audé
Engineer [Additional] – Lars Fox
Keyboards – Jamie Muhoberac
Written-By – Troy Verges
Written-By – Hillary Lindsey
Written-By – Steve Robson

Backing Vocals, Keyboards, Producer, Written-By – Cory Rooney
Backing Vocals, Written-By – Lindsay Lohan
Co-producer, Recorded By – Peter Wade Keusch
Guitar – Chris Wormer
Mixed By – Electric Pete
Recorded By – Chris Avedon
Written-By – Taryll Jackson
Written-By – TJ Jackson