Sienna Arif - Knights is a young British actress who is known for her role of Sally Hope in Malory Towers. Sienna begun her professional career when she featured in the 2017, First Choice "Go With The Know" worldwide campaign as part of the Turner Family. She has also appeared in commercials for The CO-OP (2019) and BT Sports (2018).Sienna Arif - Knights trains at Twiin Dance Company (TDC), London and the BRIT School, London. Show less «