Charisma Carpenter (Cordelia of Buffy and Angel fame), has joined the cast of Veronica Mars. She'll play Kendall Casablancas, step-mother to Dick and Beaver Casablancas. She'll appear in at least 6 episodes.
Steve Guttenberg (Cocoon, Police Academy and 3 Men & A Little Lady) is going to play Woody Goodman, charismatic major league baseball team owner and leading candidate in the local race for mayor of Neptune, Calif. He's appearing in at least 7 episodes.
And for those Brits among us who don't watch VM, Living has bought the rights to show it. Now you have no excuse. :D