Zack Snyder's take on Watchmen is coming soon and casting rumors from an anonymous source say Crudup would be Dr. Manhattan. The superpowered character is a scientist who reconstructs himself into a big naked blue flowting demigod after being annihilated on an atomic level.
C.H.U.D. also reports that more WATCHMEN announcments should be coming from Comic-Con at the end of the month.