Tessa Rose Ferrer (born March 30, 1986) is an American actress. She is the daughter of singer Debby Boone and her husband Gabriel Ferrer. In 2012, Shonda Rhimes cast Ferrer in a recurring role as Dr. Leah Murphy in Season 9 of the ABC drama series Grey's Anatomy. In June 2013 she was promoted to series regular for season 10; however, in March 2014 (2014-03), it was announced that she would be exiting the show at the end of the season.