Will Arnett is a name is guaranteed to come up whenever great comedians and voice acting talents of his generation are discussed. However, his level of skill doesn't mean that he's guaranteed to get the role he wants every single time. Indeed, while Arnett is a major name who's known for his roles as Gob Bluth on "Arrested Development" and Vernon Fenwick in "Teenage Mutant Ninja Turtles: Out of the Shadows" (among many others) he has missed playing at least one downright iconic character ... though admittedly through no artistic fault of his own, and after he had already technically performed the role.

In 2008, NBC was working on a reboot TV movie of the iconic 1980s show "Knight Rider," with future "Grey's Anatomy" and "Sweet Magnolias" star Justin Broening replacing David Hasselhoff a

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