Claire Patricia Grogan (born 17 March 1962), known professionally as Clare Grogan or sometimes as C. P. Grogan, is a Scottish actress and singer. She is best known as the lead singer of the 1980s new wave music group Altered Images, as well as for supporting roles in the 1981 film Gregory's Girl and the science fiction sitcom Red Dwarf, as the first incarnation of Kristine Kochanski.