Question: who played dr greene's daughter on er
Answer: 1994 -- 1996 , 1996 -- 1998 , 2001 -- 2002 Cole Hauser Ex-husband of Samantha Taggart Steve Curtis Rebecca Jane Hazlewood Cousin of Neela Rasgotra Jaspreet 2008 Marg Helgenberger Doug Ross 's girlfriend & his father 's boss Karen Hines Hallee Hirsh Daughter of Mark Greene ( Earlier played by Yvonne Zima ) Rachel Greene 2001 -- 2002 ; 2004 ; 2009 Ernie Hudson Father of Michael Gallant Colonel James Gallant 2006 Michelle Hurd Girlfriend of Kerri Weaver Courtney Brown 2006 -- 2007 Dominic Janes Son of Samantha Taggart Alex Taggart 2005 -- 2009 Stacy Keach Father of Tony Gates Mike Gates 2007 Chloe Greenfield Adoptive daughter of Tony Gates Sarah Riley 2006 -- 2009 Anupam Kher Father of Neela Rasgotra Ajay Rasgotra Kiron Kher Mother of Neela Rasgotra Mrs.