For her role on Private Practice (2007) as Dr. Amelia Shepard, she was introduced to Shonda Rhimes by the director/actor Eric Stoltz, who had worked with her ten years before and remembered that she resembled Patrick Dempsey. She won the role and is now a regular on the series.
She is a qualified canoe instructor and also enjoys kayaking and
swimming.
Mother, with her now estranged husband Rob Giles, of daughters Eliza Giles (b. July 6, 2012), Paloma ''Pippa'' Michaela Giles (b. November 8, 2016) and Arwen Lucinda ''Lucky'' Giles (b. December 2019).