Here is the address for the Fan club

The Casualty Fan Club
P.O Box 1640
Andover
Hants
SP10 5RP

or email at casualtyfiles@thinkhost.com

heres an address where you can get autographs from, (include a SAE)

BBC Casualty Unit B6
Kingslang Trading Estate
St Philips Road
Bristol
BS2 OJZ