Girls Aloud – Biology

Guitar – Nick Coler
Guitar – Shawn Lee
Mixed By, Keyboards, Programmed By, Written-By – Tim Powell
Producer – Xenomania
Producer, Keyboards, Programmed By, Written-By – Brian Higgins
Written-By – Giselle Sommerville
Written-By – Miranda Cooper
Written-By – Lisa Cowling

Mixed By, Programmed By – Tim Powell
Mixed By, Written-By – Jon Shave
Producer – Xenomania
Producer, Keyboards, Programmed By, Written-By – Brian Higgins
Written-By – Miranda Cooper
Written-By – Lisa Cowling
Written-By – Paul Woods (2)

Guitar – Nick Coler
Guitar – Shawn Lee
Mixed By, Keyboards, Programmed By, Written-By – Tim Powell
Producer – Xenomania
Producer, Keyboards, Programmed By, Written-By – Brian Higgins
Remix, Producer [Additional] – Tony Lamezma
Written-By – Giselle Sommerville
Written-By – Miranda Cooper