Isobel Dorothy Powley is an English actress. The daughter of British actor Mark Powley, Powley was born and raised in London where she was educated at Holland Park School. She began acting as a teenager on television, starring on the CBBC action television series M.I. High (2007 - 2008), the period miniseries Little Dorrit (2008), the crime series Murderland (2009), and the ITV sitcom Benidorm (2014).