Frances Grey (born 1970 in Edinburgh) is a Scottish actress, perhaps most well known for her portrayal of D.S. Kate Beauchamp in the BBC television series Messiah (2001). The original production was based on a novel by Boris Starling. Grey also starred in the subsequent installments Messiah 2: Vengeance is Mine (2003) and Messiah 3: the Promise (2004) which were written directly for television.