After a decade spent toiling on series television – mostly in roles easily forgotten – actor George Clooney jolted to stardom with his portrayal of the charming, but troubled pediatrician Doug Ross on the acclaimed medical series, "ER" (NBC, 1994- ). Thanks to his new found celebrity, Clooney made the jump to films while still on “ER,” quickly establishing himself as a major Hollywood star, with leading roles in “From Dusk Till Dawn” (1996), “Batman & Robin” (1997) and “Out of Sight” (1998)....