Sally Cahill is a Canadian actress, voice actress and painter. She provided the original voice of Ada Wong in the video games Resident Evil 2 (1998), Resident Evil 4 (2005) and Resident Evil: The Darkside Chronicles (2009). She also voiced Ada in an installment of the Resident Evil live action film series, Resident Evil: Retribution (2012), dubbing the lines of Chinese actress Li Bingbing who physically portrayed the character. Sally also played the recurring role of Marjorie Jefferson on the Canadian TV series Wind at My Back (1997–2000).