Ellie Goulding - vocals (all tracks); producer (1-5, 7, 11); acoustic guitar (2, 5); bass (4, 5); electric guitar (11); art direction
Richard Andrews - design
Graham Archer - choir engineer (3, 4, 7, 10); string engineer (4, 7, 10)
Max Baillie - viola (4, 7, 10)
Ben Baptie - mixing assistant (1-5, 7-9, 11, 12, 15-17); additional engineer (3)
Marc Bell - engineer (15)
Billboard - producer (8, 15, 17)
Fiona Bonds - viola (4, 7, 10)
Natalia Bonner - violin (4, 7, 10)
Ian Burdge - cello (4, 7, 10)
Jonny Byers - cello (4, 7, 10)
Gillon Cameron - violin (4, 7, 10)
Joe Clegg - drums (16)
Hannah Dawson - violin (12)
Philippe Dumais - assistant engineer (8, 15, 17)
Jim Eliot - drums, drum programming, percussion, piano, producer, sound effects, synthesiser (1-5, 7, 11); backing vocals (2)
Tom Elmhirst - mixing (1-5, 7-9, 11, 12, 15-17)
John Fortis - keyboards, producer, programming (9)
Nina Foster - violin (4, 7, 10)
Richard George - violin leader (4, 7, 10)
Cassandra Gracey - art direction
Gareth Griffiths - violin (4, 7, 10)
Calvin Harris - instruments, mixing, producer (13)
Sophie Harris - cello (4, 7, 10)
Sally Herbert - choir arrangement and conducting (3, 4, 7, 10); string arrangement and conducting (4, 7, 10)
Natalie Holt - viola (12)
Ash Howes - additional keyboards, additional programming, mixing, vocal producer (14)
Rick Koster - violin (4, 7, 10)
Ashley Krajewski - additional programming, engineer (9)
Rachael Lander - cello (12)
Olli Langford - violin (4, 7, 10)
Jonny Lattimer - vocal producer (6)
Jamie Lillywhite - A&R
London Community Gospel Choir - choir (3)
Philippe Look - guitar (15)
Kirsty Mangan - violin (9, 12)
John Metcalfe - viola (4, 7, 10)
Adam Miller - string engineer (12)
MONSTA - producer (6, 14); additional vocal producer, engineer (6); engineer (14)
Rocky Morris - arrangement, instruments (6); composer, drums, keyboards, programming (14)
George Murphy - engineer (9)
Naweed - mastering (1-12, 14-17)
Emma Parker - violin (4, 7, 10)
Justin Parker - backing vocals, mixing, piano, producer, programming (10)
Joel M. Peters - assistant choir engineer (3, 4, 7, 10); assistant string engineer (4, 7, 10)
John Prestage - assistant string engineer (12)
Simon Procter - photography
Kate Robinson - violin (4, 7, 10)
Rufio Sandilands - arrangement, instruments (6); backing vocals, composer, drums, keyboards, programming (14)
Lee Slater - drum engineer (16)
Mike Spencer - additional producer, additional vocal producer, engineer, instruments, mixing (6)
Biff Stannard - vocal producer (14)
Starsmith - producer (12, 16); piano, string arrangement, synthesiser (12); backing vocals, bass, electric guitar, keyboards, percussion, Rhodes (16)
Tinie Tempah - rap (17)
Karen Thompson - mastering (13)
Richard Vincent - engineer (8, 17)
Matty Ward - violin (4, 7, 10)