She said "What is this? A blank card?"
I said "Yeah"
then she said "Oh, I don't sign blank cards."
So I said "Well, can I just get a quick picture with you then?"
Then she said "Sure"
So I wasn't able to get her autograph but she was nice enough to take a picture with me:

So just a heads up...if you're planning to get an in person autograph from Kate Walsh, make sure you bring a photo of her because she does not sign index cards.