AP - The doctor is out: Noah Wyle is leaving "ER" as a regular cast member at the end of this season, NBC said Thursday. Wyle, 33, the only original star who remained with the medical drama through its 11 years, will return for four episodes in each of the next two seasons. "ER" has been renewed through the 2007-08 season.{br}{br}View the Entire Article{br}