• Stephen Marcussen
• Mastering

• Danny Saber
• Producer, Engineer, Performer

• Daniel Shulman
• Producer

• Philip Steir
• Producer, Performer

• Steppenwolf
• Performer

• Brian Transeau
• Producer, Engineer, Mixing

• Nicole Willis
• Performer

• Glen Brunman
• Producer

• Chris Haynes
• Engineer

• T-Ray
• Producer, Remixing, Mixing

• BT
• Performer

• Lionrock
• Performer

• John King
• Mixing

• John X.
• Mixing

• Sean Beavan
• Keyboards

• DJ Rap
• Producer, Performer

• Justin Robertson
• Producer

• Fatboy Slim
• Producer, Performer

• Aimee MacAuley
• Design

• Adam Kviman
• Producer

• Burt Berman
• Executive Producer

• Air
• Performer

• Adam Wren
• Engineer

• Stephane "Alf" Briat
• Engineer, Mixing

• Tom Dumont
• Guitar

• Jean-Benoît Dunckel
• Producer, Engineer

• Nicolas Godin
• Producer, Engineer

• S. "Husky" Hoskulds
• Engineer

• Doug Liman
• Executive Producer

• Denise Luiso
• Producer

• Gwen Stefani
• Vocals

• Lia Vollack
• Executive Producer

• Simon Thornton
• Engineer, Mixing

• Adrian Young
• Drums

• Tony Kanal
• Guitar (Bass)

• Natalie Imbruglia
• Performer

• Esthero
• Performer

• Goldo
• Producer

• Dave Biegel
• Programming, Multi Instruments, Producer

• Roger Lyons
• Producer, Engineer

• Eagle-Eye Cherry
• Producer, Performer

• Jacquire King
• Remixing, Pro-Tools, Recording, Mixing

• Jimmy Luxury
• Performer

• Tommy Rome
• Producer, Mixing, Engineer

• Dom T
• Producer

• Christopher Shaw
• Mixing

• Steve Richards
• Producer

• No Doubt
• Producer, Performer

• Tom Lord-Alge
• Mixing

• James Barton
• Mixing

• Michael Brook
• Guitar

• Spencer Chrislu
• Digital Editing

• Steve Churchyard
• Mixing

• Peter Cobbin
• Engineer

• Karl Derfler
• Engineer

• Leftfield
• Producer, Performer

• LEN
• Performer

• Jerry Harrison
• Producer