Kate Burton is a Welsh-American actress, known as Ellis Grey on ABC’s Grey's Anatomy, Sally Langston on ABC’s Scandal, Rose on FX’s Rescue Me, and Assistant District Attorney Susan Alexander on ABC’s The Practice.

Film credits include Amok, Liberal Arts, 2 Days in New York, Puncture, 127 Hours, Unfaithful, The Ice Storm, The First Wives Club, Big Trouble in Little China, and Anne of the Thousand Days.

Broadway theatre credits include her debut as Daphne Stillington in Present Laughter (Circle in the Square Theatre), The Adult Women in Spring Awakening (Eugene O'Neill Theatre), Constance Middleton in The Constant Wife (American Airlines Theatre), Hedda Tesman in Hedda Gabler (Ambassador Theatre), Maureen Folan in The Beauty Queen of Leenane (Walter Kerr Theatre), Lyssa Dent Hughes in An American Daughter (Cort Theatre), Julie in Jake's Women (Neil Simon Theatre), Betty McNeil in Some Americans Abroad (Vivian Beaumont Theatre), and J.J. in Doonesbury (Biltmore Theatre).