Katharine Isabelle Murray (born November 2, 1981) is a Canadian actress best known as a scream queen for her roles in various horror films. Born in 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 has starred in the werewolf horror films, Ginger Snaps (2000), its sequel, Ginger Snaps 2: Unleashed (2004), and Ginger Snaps Back: The Beginning (2004). Her portrayal of the death-obsessed teen, Ginger Fitzgerald, became one of her most notable roles. Additional roles in horror films include Disturbing Behavior (1998), Carrie (2002), Freddy vs. Jason (2003), 30 Days of Night: Dark Days (2010), and American Mary (2012). For her performance in the horror film, American Mary (2012), she earned several nominations for best actress, including Fangoria Chainsaw Awards, Screamfest Horror Film Festival and Toronto After Dark Film Festival.