Guest Stars Ron Perkins as Dr. Ron Simpson Bobbin Bergstrom as ER Doctor Yvette Nicole Brown as Ellen Stambler Howard Hesseman as Henry Keri Lynn Pratt as Amy Errington Greg Grunberg as Ronald Neuberger Adam Busch as Tony Susan Grace as First Table North Jean St. James as Cecile Marcie Lynn Ross as Second Table West Craig Patton as Second Table East Noel Conlon as First Table East Stephen DeCordova as Second Chief Surgeon