Katharine Isabelle is a Canadian actress. She started her acting career in the late 1980s. During her beginnings, she had roles in the films Cousins, Cold Front, and Immediate Family. In the 1990s, she gained notice for her roles in the movies Disturbing Behavior, Freddy vs. Jason, and The Last Casino. She also became known for her role titular role in the Ginger Snaps film series. She also starred in the TV movie Rapid Fire and played Ava Wilson in Supernatural. In the 2010s, she starred on the TV shows Endgame, Being Human, and Hannibal. She now has a recurring role on the TV series The Arrangement.