Sian Brooke is a British actress, known for portraying Laura in All About George, Lori in Cape Wrath, and Eurus Holmes in Sherlock. Sian Elizabeth Phillips was born in Lichfield, Staffordshire, England and is the youngest of three siblings. She took on a stage name to avoid confusion with fellow actress Siân Phillips, choosing Brooke after an English Civil War general who served at Lichfield. She is the daughter of a police officer and a teacher.Her parents are Welsh. Brooke's early education was at The Friary School in Lichfield. She initially joined the Lichfield Youth Theatre at the age of 11 before becoming a member of the National Youth Theatre and subsequently training at the Royal Academy of Dramatic Art, from where she graduated in 2002.