Katherine Matilda "Tilda" Swinton of Kimmerghame is a British actress, performance artist, model, and fashion muse, known for her roles in arthouse, independent and mainstream films. Swinton was nominated for a Golden Globe for her performance in The Deep End. She is also known for her performances as the White Witch in the Chronicles of Narnia series. Swinton won the Academy Award for Best Supporting Actress and the BAFTA Award for Best Actress in a Supporting Role for her performance as lawyer Karen Crowder in Michael Bigger Splash. She will appear as the Ancient One in the upcoming Marvel film, Doctor Strange.