A&R [Coordination] – Ariana Murray (2), Natalie Preston
Art Direction, Design – Flem (2)
Bass – Ian Hornbeck (tracks: A1, B3, B4)
Bass [Touring] – Scott Koziol
Booking [Booking Agent] – Michael Arfin
DAW [Pro Tools Assistant], MC [Emcee], Vocals, Beats, Sampler, Artwork [Soldier Drawing, Line Art Sketches & Drawings] – Mike Shinoda
Drums, Backing Vocals – Rob Bourdon
Engineer – Steve Sisco
Engineer [Additional], DAW [Pro Tools] – John Ewing Jr.
Engineer [Assistant] – Matt Griffin
Executive-Producer, A&R – Jeff Blue
Guitar, Bass, Backing Vocals – Brad Delson
Management – Jordan Berliant, Michael Green (9), Ryan DeMarti
Management [Business Manager] – Dana Miller, Jonathan Schwartz (2), Michael Oppenheim
Management [Worldwide Representation] – The Collective (8)
Mastered By – Brian “Big Bass” Gardner*
Mixed By – Andy Wallace
Photography By – James Minchin III
Producer, Engineer – Don Gilmore
Product Manager [Marketing Director] – Peter Standish
Scratches [Records], Sampler, Backing Vocals, Artwork [Line Art Sketches & Drawings] – Joseph Hahn
Vocals – Chester Bennington
Written-By – Dave Farrell (tracks: B3, B4), Linkin Park, Mark Wakefield (tracks: A6, B3, B4)