Plus, watch footage of the stars recording their parts for the game.
Joss Whedon, Anthony Head, Amber Benson, Nicholas Brendon, Robin Sachs and James Marsters chat Chaos.
The creator of Buffy talks about the show, and why it makes a good videogame.
The Spike actor talks about playing a vamp, his PlayStation collection and favourite games.
Anthony chats about seven years of Giles, and fans who just won't take no for an answer.