Backing Vocals – Anders Geering (tracks: 1 to 13), Josephine Lyons (tracks: 1 to 13), Lance Burnett (tracks: 1 to 13), Marco Urban (tracks: 1 to 13), Tom Madden (tracks: 1 to 13), Tom O’Connell (2) (tracks: 1 to 13)
Computer [Pro-tools], Other [Extra Equipment & Expertise] – Scott Riebling (tracks: 1 to 13)
Design – Giant Beer
Engineer – David Bianco (tracks: 1 to 13)
Engineer [Q Division Intern] – Jeremy Rankin (tracks: 1 to 13), Mike Paradis (tracks: 1 to 13), Wick Hill (tracks: 1 to 13)
Engineer [Studio Assistant] – Kris Smith (tracks: 1 to 13), Matt Tahaney (tracks: 1 to 13)
Management – Dianne Meyer
Mixed By – Jim Siegel (tracks: 1 to 13)
Performer – Al Barr, James Lynch, Ken Casey, Marc Orrell, Matt Kelly (3), Scruffy Wallace, Tim Brennan
Photography By [Band] – Paul Harries
Photography By [Cover] – Angie Carlino
Producer – David Bianco (tracks: 1 to 13), Ken Casey
Producer [Pre-production] – Raymond Jeffrey*
Technician [Guitar] – Brendan Maguire (tracks: 1 to 13), Raymond Jeffrey* (tracks: 1 to 13)
Viola, Cello – Laura Casey (tracks: 1 to 13)
Written-By – Dropkick Murphys (tracks: 1, 2, 4 to 8, 10, 13)