A&R – Mike Elizondo
Art Direction – Brann Dailor
Band [Mastodon Is:], Bass, Vocals – Troy Sanders
Band [Mastodon Is:], Drums, Vocals – Brann Dailor
Band [Mastodon Is:], Guitar [Guitars] – Bill Kelliher
Band [Mastodon Is:], Lead Guitar, Vocals – Brent Hinds
Booking [North America] – Pinnacle Entertainment, Scott Sokol
Booking [Rest Of The World] – John Jackson (18), K2 Agency Ltd.*
Coordinator [Production Coordinator] – Ivy Skoff
Design – Donny Phillips, KIHL Studio*
Edited By [Editing] – Billy Joe Bowers*
Engineer [2nd] – Bryan Dimaio, T.J. Elias
Illustration – Alan Brown (23), Medusawolf
Lacquer Cut By – ᶜB*
Legal – Joe Serling*, Serling Rooks Hunter McKoy & Worob, LLP*
Management – Nick John (2), The Rick Sales Entertainment Group, Los Angeles, CA*
Management [Assisted By] – Ernie Gonzalez*
Management [Brendan O’Brien] – Ken Levitan, Vector Management, Nashville, TN*
Management [Business Management] – Polay Financial Management, Robert Polay
Management [Marketing] – Xavier Ramos
Management [Reprise Records Business Affairs] – Damian Elahi
Mastered By – Billy Joe Bowers*
Mixed By – Brendan O’Brien, Tom Syrowski
Music By [All], Lyrics By [All] – Mastodon
Musician [Additional], Keyboards – Mike Keneally (tracks: D2)
Musician [Additional], Vocals – Kevin Sharp (tracks: C3), Scott Kelly (tracks: D1)
Producer [Produced By] – Brendan O’Brien
Recorded By – Tom Syrowski, Tom Tapley