Found on the interwebs:
Nicholas Brandon & James Marsters Then:
OK, so there are a couple of other peeps here too. But we can still tune into Ms. Gellar and Ms. Hannigan every week on other shows.
The Guys Now:
We attribute the change in Mr. Brandon’s and Mr. Marster’s appearances to one thing and one thing only: They’ve become writers!
Moral of the story:
Vampires and actors are, of course, immortal. Writers, OTOH….