Katharine Isabelle (born November 2, 1981) is a Canadian actress. She has been described as a scream queen due to her roles in various horror films. She started her acting career in 1989, playing a cameo role in the television series MacGyver. She gained fame for the role of Ginger Fitzgerald, In the films Ginger Snaps (2000), Ginger Snaps 2: Unleashed (2004) and Ginger Snaps Back: The Beginning (2004).Other most famous films and television series with her participation: Disturbing Behavior (1998), Insomnia (2002), Carrie (2002), Freddy vs. Jason (2003), Supernatural (2007), Endgame (2011), American Mary (2012), Torment (2013), Motive (2013), See No Evil 2 (2014), Hannibal (2014-2015), 88 (2015), Countdown (2016) and Rosewood (2017). Currently, she stars as Vera Stone in the Netflix horror-drama series, The Order.
In 2007, in the United States, an article was published in which all the current "cry queens" were listed, Katherine Isabelle also entered the list along with Naomi Watts, Mercedes McNab, Cerina Vincent, and others.
She is also known as Katherine Murray and Katherine Isobel Murray.