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
Acclaim Entertainment publication of strategy guides relating to their software products and the issuance of "special edition" comic magazines, via Acclaim Comics, to support the more lucrative brand names. Lastly, they created the ASF/AMC motion capture format which is still in use in the industry today. Acclaim enjoyed a long relationship with the World Wrestling Federation (now known as WWE) dating back to 1988's "WWF WrestleMania". However, after failing to match the success of World Championship Wrestling's THQ/AKI games amidst the Monday Night Wars, the WWF unexpectedly defected to THQ in 1999. Acclaim then picked up the license to Extreme Championship Wrestling