Cast of ER Cast of ER "ER" is an American drama series that aired on NBC from September 19, 1994 until April 2, 2009. The series featured a large ensemble cast that changed dramatically over its long run. The main cast was augmented by a wealth of recurring characters and award-winning guest stars. The original starring cast consisted of Anthony Edwards as Dr. Mark Greene, George Clooney as Dr. Douglas "Doug" Ross, Sherry Stringfield as Dr. Susan Lewis, Noah Wyle as medical student (later Dr.) John Carter, and Eriq La Salle as Dr. Peter Benton. Julianna Margulies guest starred in the pilot as
Plymouth Acclaim producing with throttle-body fuel injection was standard equipment. A Mitsubishi V6 producing with multi-point fuel injection was standard on Acclaim LX, optional on the others. Also available on base and LE models from 1989 through 1992 was a turbocharged version of the 2.5-liter four-cylinder producing . In 1993, 1994 and 1995, a flexible-fuel Acclaim was offered, powered by a multipoint fuel injected version of the 2.5-liter engine specially modified to run on fuel containing up to 85% ethanol. Several five-speed manual transmissions were available, depending on which engine was installed, but relatively few Acclaims were equipped with manual transmissions. The