If you would like to send Carey a letter, card or anything nice and appropriate, you can do so by sending it to the following postal address.

Carey Mulligan
 Julian Belfrage Associates
 Adam House
 14 New Burlington Street
 London W1S 3BQ
 UK

You can request for an autograph or signed photograph as long as you provide self-addressed envelope with the correct postage attached. However, the agency cannot guarantee a reply from Carey.