Since you all are soooo looking forward to a third Transformers movie (What will blow up this time? Will Shia LaBeouf meet robot God again? Tell us!), we thought we'd help share a particularly sexy bit of casting news: Grey's Anatomy star Patrick Dempsey will appear in TF3 as Megan Fox's boss. (Presumably, he's not also a transforming robot, but we've learned never to assume.) Now, the Transformers and Grey's Anatomy may not seem like a logical connection, but there's actually more than meets the eye here than just a cheap grab for more female audience members. No, Dempsey is perfect for the franchise, and here are five reasons why.