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
Oxford "-er" Oxford "-er" The Oxford "-er", or often "-ers", is a colloquial and sometimes facetious suffix prevalent at Oxford University from about 1875, which is thought to have been borrowed from the slang of Rugby School. The term was defined by the lexicographer Eric Partridge in his "Dictionary of Slang and Unconventional English" (several editions 1937–61). The "-er" gave rise to such words as "rugger" for Rugby football, "soccer" (or the rarer "togger") and the now archaic "footer" was used for association football. The term "soccer", derived from a transformation/emendation of the "assoc" in Association football, was popularised by a prominent