See the work at http://www.mcdonalds.co.uk/ukhome/promotions/bigmac.html

Advertising Agency: Razorfish, London, UK
Chief Creative Officer: Dan Bonner
Creative Director: Cyril Louis
Copywriter: Jon Usher
Art Director: Paul Stoeter
Account Director: Fiona McGillivray
Agency Producer: Emma Downham
Designers: Yawming Wong, Steven Yip