Eleanor Winifred Worthington-Cox (born 21 June 2001) is a British actress from Merseyside, most known for portraying Matilda Wormwood in Matilda the Musical for which she won a Laurence Olivier Award for Best Actress, and Janet Hodgson in The Enfield Haunting, for which she received a British Academy Television Award nomination. She is the youngest recipient of an Olivier Award at the age of 10.