I don't think that actors who come to the stage door after giving a performance are showing anyone any "disrespect" if their signatures do not meet your standards. Not that you'd be asking the stage manager to sign for you--but I seriously doubt that my own signature would please you. After many years, it has become a bit abstract, and I suspect that that is true for many of us. (When we sign the deputy election form, which is a purely internal document, I always joke that there will be a prize for anyone who can figure which signature belongs to which person.)
You should feel free to make your own notation on your Playbill after signing--in pencil, if you're worried about archival value. Or put a 3x5 card inside or stick a Post-It on the cover.
And I would be wary about purchasing signed CDs, Playbills, or posters unless they come from an authorized source (which would include the production itself, the actor/signatory, or BC/EFA.) Anyone can take a Sharpie to show materials and sell them to you. |