New folks added to the Transformer's 3 cast!

Patrick Dempsey will be going from doctor to action hero. The "Grey's Anatomy," star has signed on to star in 'Transformers 3', a rep for Paramount Pictures, the studio behind the film, confirmed to Access Hollywood on Tuesday.

Patrick will play the boss of Mikaela Banes, played by brunette beauty Megan Fox. Breakout "Hangover" star Ken Jeong is also reportedly on board. 'Transformers 3' is expected to begin filming later this month and will be released in Summer 2011.

According to Entertainment Weekly, which first reported the news, the movie will film in Africa, Russia, China and the U.S.

You all already know how I feel about Transformers, so we shall see how all of this will play out.