Apocalyptica – I Don't Care

Backing Vocals – Mats Levén
Bass – Paul Bushnell
Editor [Digital Editing] – Paul DeCarli
Engineer [Additional Engineering] – Hatsukazu Inagaki
Guitar – Phil X
Lead Vocals, Written-By – Adam Gontier
Mastered By – Ted Jensen
Mixed By – Rich Costey
Producer, Programmed By, Sequenced By, Keyboards, Synthesizer, Piano, Organ [Hammond B3], Piano [Fender Rhodes], Organ [Farfisa], Vocals, Synthesizer [Korg Trinity] – Howard Benson
Recorded By – Mike Plotnikoff
Technician [Guitar Tech] – Marc Vangool
Written-By – Eicca Toppinen
Written-By – Max Martin

Mastered By – Svante Forsbäck
Mixed By – Stefan Glaumann
Producer – Jacob Hellner
Recorded By – Tom van Heesch
Written-By – Eicca Toppinen