I've written to Judy a few times in the past with no luck. I've never tried Shirley but if someone else had a success it's worth trying.

shirley wrote back to me recently
did you ask for it to be dedicated to you
and did you send an sae?
and last put lots of stickers on your letter

Hi!
Have someone success writing to Judy Cornwell or Shirley Stelfox? I have try write them both in (I think March) last year - and in december I write Cornwell an e-mail from her homepage, but have'nt heart anything back. I will be so Lucky cut I have there autographs, that I have all the other leading roles from "Keeping up Appearences" in my autograph-book... But maybe they don't like me ?!

Judy Cornwell
Ken McReddie Associates
11 Connaught Place
London W2 2ET
UK

Shirley Stelfox
"Emmerdale"
Emmerdale Production Centre
27 Burley Road
Leeds, LS3 1JT
UK

Thank you so much for your answer and help!
Best wishes:

Frederik Tolstrup.