- Andy Rugg – assistant engineer, engineer
- Andy Wallace – mixing
- Bob Ludwig – mastering
- Brian Eno – producer, sonic landscapes
- Brian Thorn – assistant engineer, engineer
- Chris Martin – vocals, guitar, piano, keyboards
- Coldplay – artwork
- Dan Green – assistant engineer, engineer, photography
- Dave Holmes – management
- Davide Rossi – strings
- Dominic Monks – assistant engineer, engineer
- Mike Kezner – sitar
- Eugène Delacroix – cover painting
- François Chevallier – assistant engineer, engineer
- Guy Berryman – bass, photography
- Jan Petrov – assistant engineer, engineer
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- Jason Lader – assistant engineer, engineer
- John O'Mahoney – mixing
- Jonny Buckland – guitar
- Jon Hopkins – colouring, producer
- Markus Dravs – mixing, producer
- Michael Brauer – mixing
- Michael Trepagnier – assistant engineer, engineer
- Olga Fitzroy – assistant engineer, engineer
- Phil Harvey – manager
- Rik Simpson – mixing, producer
- Tappin Gofton – art direction, design
- Vanessa Parr – assistant engineer, engineer
- Will Champion – drums, percussion
- William Paden Hensley – assistant engineer, engineer
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