Art Direction [Jar Of Flies] – Mary Maurer
Art Direction [Sap] – David Coleman (5)
Bass – Mike Starr* (tracks: C1 to C5)
Bass, Guitar – Mike Inez (tracks: A1 to B2)
Cello – Justine Foy (tracks: A1 to B2)
Design [Double Vinyl Edition] – Doug Erb
Drums, Percussion – Sean Kinney
Engineer – Toby „Ted, Trevor, Tab, Taylor, Tony, Todd, Trent, Timothy, Tyler, Thomas, Tilly, Terry, Tito“ Wright* (tracks: A1 to B2)
Engineer [Assisted At London Bridge Studio] – Jon Plum (tracks: A1 to B2)
Engineer [Assisted At Scream Studio] – Liz Sroka (tracks: A1 to B2)
Guitar [Guitars], Vocals – Jerry Cantrell
Harmonica – David Atkinson (tracks: A1 to B2)
Lyrics By – Cantrell* (tracks: A4, B1, C1 to C3), Staley* (tracks: A1 to A3, B2, C4)
Management [Jar Of Flies] – Susan Silver
Mastered By – Eddy Schreyer (tracks: C1 to C5)
Music By – Cantrell*, Inez* (tracks: A1 to A3), Kinney* (tracks: A2, B2)
Photography – Rocky Schenck
Producer – Alice In Chains, Rick Parasher* (tracks: C1 to C5)
Viola – April Acevez (tracks: A1 to B2)
Violin – Matthew Weiss (tracks: A1 to B2), Rebecca Clemons-Smith (tracks: A1 to B2)
Vocals – Layne Staley
Vocals [Additional] – Darrel Peters* (tracks: A1 to B2), Mike Inez (tracks: A1 to B2), Randy Biro (tracks: A1 to B2)