Mary McDonnell (born April 28, 1952) is an Oscar and Golden Globe nominated American film, stage, and television actress. She is famous for her Oscar-nominated role as Stands With A Fist in Dances with Wolves, and for starring as President Laura Roslin in Battlestar Galactica and most recently as Dr Virginia Dixon in Grey's Anatomy.
On television, McDonnell had her first regular role in 1980 on the soap opera As the World Turns. She starred in 1984 on the short-lived medical sitcom E/R, alongside Elliott Gould and George Clooney. Coincidentally, she guest-starred in 2001 on the NBC medical series of the same name, ER, which also featured Clooney. She was nominated for an Emmy Award for her role on the show as Eleanor Carter, the mother of Dr. John Carter played by Noah Wyle, who also had a role in Donnie Darko. She plays Dr. Virginia Dixon, a surgeon with Asperger's syndrome for three episodes of Grey's Anatomy in 2008 and 2009.
In 2003, McDonnell starred in the mini-series Battlestar Galactica as Laura Roslin. The mini-series led to the subsequent weekly series, with McDonnell reprising her role as the President of the Twelve Colonies. The series ended in March 2009.
McDonnell will play Capt. Christina Hatcher, a police captain who butts heads with Kyra Sedgwick's character, on the fifth season of TNT's The Closer