She gained considerable praise for her performances in Mona Lisa (1986), as a teenage prostitute, and Ken Russell's The Rainbow (1989). She also had significant roles in Mike Hodges' A Prayer for the Dying and John Boorman's Hope and Glory (both 1987) as well as a leading role in the American television series, Homefront (1991–1993).
Davis was married to the Director Kurt Voss, whom she later divorced. After taking a few years out of the film industry to raise her family, she returned to the screen in a cameo role on Lost, playing the mother of Dominic Monaghan's character. She moved back to Britain in Christmas 2008 and married again on the 21 June 2009 to Simon Drew, a children's TV show Producer. She now lives in Sussex with her family. She works as a Photographer.
