ER: Luka Kovac

Noah Wyle, who played Dr. John Carter on the series "ER," is one of the few original cast members that still makes guest appearances on the show. He received five Emmy nominations for his role, as well as three Golden Globe nominations. According to guinness World Records, Wyle became the holder of a "Highest paid TV drama actor per episode" record during the 2003-2004 season, earning approximately $400,000 per episode.
Since leaving "ER," the Hollywood native has appeared in such Filem as "Donnie Darko," "White Oleander" and "Enough." Wylie has also became an advocate for people without health insurance in the United States.

Credit: i.abcnews.com