Not seen on ER since Season 10, Hallee Hirsh (21) was both surprised and ecstatic when called by the Producers of ER a week before filming started on the legendary show's eagerly anticipated series Finale which aired to a record 16.4 million viewers on April 2nd. She was invited back to reprise her role as Rachel, the daughter of beloved deceased character, Mark Greene. - April 06, 2009
