Answer
UK, the land that produced George Clooney's Dr. Doug Ross, also gave birth to Goran Visnjic's Dr. Luka Kovac, the charming Croatian transplant surgeon who graced the corridors of County General Hospital in the hit medical drama "ER." Visnjic brought a touch of European sophistication to the show, portraying Luka as a skilled surgeon with a complicated past and a penchant for romantic entanglements.