Jonathan Davis – vocals, bagpipes, drums on "Bitch We Got a Problem" and "Love and Luxury", additional drums on "Kiss" and "Hushabye"
James "Munky" Shaffer – guitar, lap steel guitar
Reginald "Fieldy" Arvizu – bass

Terry Bozzio – drums on "Intro", "Starting Over", "Kiss", "Do What They Say", "Ever Be", "Killing", "I Will Protect You", and "Sing Sorrow"
Brooks Wackerman – drums on "Evolution", "Hold On", "Innocent Bystander", and "Hushabye"
Zac Baird – keyboards, organ, synthesizer

Terry Date – mixing on "Evolution", "Do What They Say", "Innocent Bystander", and "I Will Protect You"
Alan Moulder – mixing on "Starting Over", "Hold On", "Kiss", "Ever Be", and "Love and Luxury"

Atticus Ross – producer, mixing on "Intro" and "Bitch We Got a Problem"
Korn and The Matrix (Lauren Christy, Graham Edwards, Scott Spock) – production
Jim "Bud" Monti and Frank Filipetti – recording, engineering
Doug Trantow – additional engineering, mixing on "Intro" and "Bitch We Got a Problem"
Stephen Marcussen – mastering for Marcussen Mastering, Hollywood, CA
Stewart Whitmore – digital editing
Leopold Ross – production assistant
Jeff Kwatinetz – executive producer, exclusive management for The Firm
Jeff Katsis – exclusive management for The Firm
John Branca, Gary Stiffelman and David Byrnes – legal representation for Ziffren, Brittenham, Branca, Fischer, Gilbert-Lurie, Stiffelman and Cook, LLP
Larry Einbund and Bill Vuylsteke – business management for Provident Financial Management
Darryl Eaton and Rick Roskin – booking agents for Creative Artists Agency
Nikki Hirsch – product management
Sean Mosher-Smith – art direction and design
Richard Kirk – artwork
Chapman Baehler – photography