Kathleen Erin "Kate" Walsh (born October 13, 1967) is an American film and television actress, currently known for her role as Dr. Addison Montgomery on the ABC dramas Grey's Anatomy and Private Practice.
The series follows the adventures of a group of girls known as the Winx, students at the Alfea College for Fairies, who turn into fairies to fight villains and protect the Magic Dimension.
