Nick Carter (2) – Now Or Never

Arranged By [Background Vocals] – Matt Tryggestad
Arranged By [Background Vocals] – Matthew Gerrard
Engineer [Mix Assistant] – Keith Armstrong
Mixed By – Chris Lord-Alge
Producer, Arranged By, Recorded By, Programmed By, Instruments [All] – Matthew Gerrard
Written-By – Matthew Gerrard
Written-By – Michele Vice-Maslin

Backing Vocals – Alison Clark
Backing Vocals – Gary Clark
Backing Vocals – Martin Brammer
Drums – Geoff Dugmore
Engineer [Additional] – Andrew Scarth
Guitar, Bass, Keyboards – Gary Clark
Producer, Engineer, Mixed By, Programmed By – Gary Clark
Producer, Engineer, Mixed By, Programmed By – Martin Brammer
Written-By – Gary Clark
Written-By – Nick Carter (2)
Written-By – Martin Brammer

Backing Vocals – Nick Carter (2)
Bass – Joshua Michael Schwartz
Engineer [Recording Assistant] – Jeff Vereb
Engineer [Recording Assistant] – Cesar Ramirez (2)
Mixed By – Michael H. Brauer
Producer – Joshua Michael Schwartz
Producer – Brian Kierulf
Programmed By, Guitar, Backing Vocals – Brian Kierulf
Written-By – Nick Carter (2)
Written-By – Joshua Michael Schwartz
Written-By – Brian Kierulf

Backing Vocals – Nick Carter (2)
Bass – Joshua Michael Schwartz
Engineer [Recording Assistant] – Jeff Vereb
Engineer [Recording Assistant] – Cesar Ramirez (2)
Mixed By – Michael H. Brauer
Producer – Joshua Michael Schwartz
Producer – Brian Kierulf
Programmed By, Guitar, Backing Vocals – Brian Kierulf
Written-By – Nick Carter (2)
Written-By – Joshua Michael Schwartz
Written-By – Brian Kierulf

Backing Vocals – Wayne Hector
Backing Vocals – Michelle John Douglas
Backing Vocals – Nick Carter (2)
Backing Vocals – Brian Kierulf
Backing Vocals – Carla Hayes
Bass – Steve Pearce
Edited By [Additional Digital Editing] – Alex G
Engineer [Assistant], Percussion – Daniel Pursey
Engineer, Drums – Chris Laws
Featuring – Mr. Vegas
Guitar – Paul Gendler
Producer, Arranged By, Mixed By, Keyboards – Steve Mac (2)
Scratches – DJ Spinz
Written-By – Nick Carter (2)
Written-By – Joshua Michael Schwartz
Written-By – Brian Kierulf

Backing Vocals – Max Martin
Backing Vocals – Nick Carter (2)
Guitar – Esbjörn Öhrwall
Guitar – Peter Kvint
Recorded By, Mixed By – Max Martin
Recorded By, Mixed By – Rami
Written-By – Max Martin
Written-By – Rami

Backing Vocals – Alison Clark
Backing Vocals – Gary Clark
Backing Vocals – Martin Brammer
Guitar, Bass, Keyboards – Gary Clark
Producer, Engineer, Mixed By, Programmed By – Gary Clark
Producer, Engineer, Mixed By, Programmed By – Martin Brammer
Written-By – Gary Clark
Written-By – Stephen Broughton Lunt
Written-By – Nick Carter (2)
Written-By – Martin Brammer

Backing Vocals – Max Martin
Backing Vocals – Nick Carter (2)
Drum Programming [Additional] – Christian Nilsson
Drums – Richard Evensand
Mixed By – Stefan Glaumann
Producer, Guitar – Per Aldeheim
Written-By – Per Aldeheim
Written-By – Max Martin
Written-By – Rami

Acoustic Guitar, Backing Vocals – Steve Lee (3)
Backing Vocals – Nick Carter (2)
Engineer [Assistant] – Jong Uk Yoon
Engineer [Assistant] – Christian Saint Val
Engineer [Vocals] – Pablo Munguia
Guitar – Adam Phillips
Producer, Recorded By, Mixed By – Mark Taylor
Written-By – Mark Taylor
Written-By – Aleena
Written-By – Steve Lee (3)

Drums – Richard Evensand
Mixed By – Stefan Glaumann
Producer, Guitar – Per Aldeheim
Written-By – Per Aldeheim
Written-By – Max Martin
Written-By – Rami

Arranged By [Strings] – Dave Arch
Backing Vocals – Wayne Hector
Backing Vocals – Nick Carter (2)
Bass – Steve Pearce
Drums – Chris Laws
Engineer – Chris Laws
Engineer – Matt Howe
Engineer [Assistant], Percussion – Daniel Pursey
Guitar – Fridrik Karlsson
Guitar – Paul Gendler
Producer, Arranged By, Mixed By, Keyboards – Steve Mac (2)
Written-By – Wayne Hector
Written-By – Steve Mac (2)

Percussion – Steve Harvey
Producer, Arranged By, Mixed By, Recorded By – The Matrix (2)
Written-By – Charlie Midnight
Written-By – Graham Edwards
Written-By – Lauren Christy
Written-By – Scott Spock