Question: who played doug ross's mother on er
Answer: Rasgotra Nancy Kwan Mother of Jing - Mei Chen Lin Chen 2000 Piper Laurie Mother of Doug Ross Sarah Ross 1995 -- 1996 Amy Madigan Mother of Samantha Taggart Mary Taggart 2009 Rosalee Mayeux Mother of Ray Barnett Jacy Barnett 2007 Mary McDonnell Mother of John Carter Eleanor Carter ( née Ferguson ) 2001 Andrew McFarlane Nephew of Peter Benton Jesse Robbins 2000 Trevor Morgan Son of Donald Anspaugh Scott Anspaugh 1998 Thandie Newton Girlfriend and later wife of John Carter Makemba `` Kem '' Likasu - Carter .