When new Knight Rider airs Feb 17, 2008, KITT will not only be a Shelby Mustang, it will also be voiced by Will Arnett. In the original 1980's series, the voice for KITT was provided by William Daniels. who has appeared as Dr. Craig on St. Elsewhere (1988), George Feeny on Boy Meets World (2000), and also provided the voice of KITT for The Simpsons (1998/2004). Will Arnett has been busy doing voice work in Horton Hears a Who! (2008), Ratatouille (2007), Freak Show (5 episodes, 2006). He's best know for playing George "Gob" Bluth II on Arrested Development.