- Chris Athens: Mastering
- Jon Bailey: Assistant
- Karl Bartos: Composer
-
Guy Berryman: Composer, Guitar (Bass), Member of Attributed Artist
- Michael Brauer: Mixing
-
Jonny Buckland: Composer, Guitar, Member of Attributed Artist
-
Will Champion: Composer, Drums, Member of Attributed Artist
-
Coldplay: Audio Production, Photography, Primary Artist, Producer
- Susan Dench: Strings
-
Brian Eno: Synthesizer
- Keith Gary: Digital Editing, Pro-Tools
- Richard George: Strings
- Tappin Gofton: Art Direction, Design
- William Paden Hensley: Assistant
- Ralf Hütter: Composer
- Jake Jackson: Assistant
- Dan Keeling: A&R
- Peter Lale: Strings
- Mathieu Lejeune: Assistant
- Anne Lines: Strings
- George Marino: Mastering
-
Chris Martin: Composer, Member of Attributed Artist, Piano, Vocals
- Taz Mattar: Assistant
- Matt McGinn: Guitar
- Laura Melhuish: Strings
- Ken Nelson: Audio Production, Engineer, Producer
- Adam Noble: Assistant
- Mike Pierce: Assistant
- Dan Porter: Assistant
- Danny Porter: Assistant
- Mark Pythian: Computer Editing, Computers
- Audrey Riley: String Arrangements, Strings
- Carmen Rizzo: Computer Editing, Computers
- Tim Roe: Assistant
- Bryan Russell: Assistant
- Emil Schult: Composer
- Tom Sheehan: Photography
- Robert Smith: Assistant, Computers
- Danton Supple: Audio Production, Producer
- Christopher Tombling: Strings
- Kevin Westenberg: Photography
- Estelle Wilkinson: Management
- Andrea Wright: Assistant
