^I think it's George's grey hair (which to his credit, he rarely dyes). Makes him look older, more distinguished.
Yeah, I think it'd be easy not to be vain about hair color when one looks, sounds, and looks as good with gray hair as Clooney.
Anyone else without pre-existing fondness for the property think The Man From U.N.C.L.E.
is kind of a lame name, though? I didn't grow up with the show, but I have a hard time picturing something with that title doing as well with the unwashed teen-demo masses as something shorter and punchier a la Get Smart