Katharine Isobel Murray (born November 2, 1981), better known by the name Katharine Isabelle, is a Canadian actress. Born Vancouver, British Columbia, she made her screen debut as a child in Cousins (1989), followed by supporting roles in numerous films and television series. Initially credited as Katie Murray, she later began using the name Katherine Isobel and subsequently Katharine Isabelle. She starred in the werewolf horror film, Ginger Snaps (2000), its sequel, Ginger Snaps 2: Unleashed (2004), and Ginger Snaps Back (2004). Her portrayal of the death-obsessed teen, Ginger Fitzgerald, became one her most notable roles.