ER se15 ep21

George Clooney got his start on the NBC show "ER" as Dr. Doug Ross, pictured left. Since then, Clooney, pictured right at the "Burn After Reading" premiere at the Venice Film Festival, has been voted one of People magazine's Most Beautiful People, and has gone on to star in such Hollywood blockbuster hits as "Michael Clayton" and "Ocean's Twelve." Viewed as an international sex symbol, Clooney was the second man to appear on Vogue's cover, after Richard Gere.
On January 21, People magazine reported that Clooney's character Dr. Ross will return to the show in its final season. Sources told E! News that Clooney has already shot an upcoming episode of the show -- including scenes with actress Susan Sarandon, who will appear on the show, according to E! News.

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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 movies 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