Sienna Guillory: Sienna Guillory. Actress: Love Actually. Sienna Guillory is the daughter of American folk guitarist Isaac Guillory and Tina Thompson, an English model. Guillory's parents encouraged her to express herself artistically as she was growing up and this led to her decision to become an actor. She was educated at Gresham's School, Holt, Norfolk, England and appeared in school plays.
Her acting break came when she was 16, and was cast in...
