Katharine Isobel Murray (born November 2, 1981), known professionally as Katharine Isabelle, 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 small role in the television series MacGyver. She gained fame for the role of Ginger Fitzgerald in the films Ginger Snaps, Ginger Snaps 2: Unleashed, and Ginger Snaps Back: The Beginning.

Filmography

• 2026Backrooms — Robin
• 2026Junction Row — Juno
• 2026Lockbox — Vahna Minter
• 2026Prank Night — Joyce Bowen
• 2026The Galactic Ghoul — Queen of the Toum Xaltalusia XXIII
• 2025TRON: Ares — Marcia Lee Hadlow
• Sight Unseen — Gina Matheson
• Tracker — Mallory Banks
• 2023Christmas on Cherry Lane — Olivia Sawyer
• 2023It's a Wonderful Knife — Gale Prescott
• 2023Mixed Baggage — Lianne
• 2022The Gift of Peace — Joyce
• Ghosts — Liz
• 2021Night of the Animated Dead — Barbara (voice)
• 2021The Green Sea — Simone
• 2021The Long Island Serial Killer: A Mother's Hunt for Justice — Shannan Gilbert
• Transplant — Marissa
• The Order — Vera Stone
• 2019Where We Disappear — Lubov
• 2018Bad Times at the El Royale — Auntie Ruth Pugh
• Carter — Willow Harlow
• Little Dog — Ginny Ross
• The Arrangement — Hope Declan
• 2017Undercover Angel — Robin Bladon
• 2016A.R.C.H.I.E. — Brooke
• 2016Countdown — Lieutenant Julia Baker
• 2016Iteration 1 — Anna
• 201588 — Gwen
• 2015How to Plan an Orgy in a Small Town — Alice Solomon
• Rosewood — Naomi Bauer
• 2015The Girl in the Photographs — Janet
• 2014Primary — Andrea
• 2014See No Evil 2 — Tamara
• 201313 Eerie — Megan
• 2013American Mary — Mary Mason
• Cedar Cove — Cecilia Rendall
• 2013Cinemanovels — Charlotte
• Eve of Destruction — Calla
• 2013Goodnight for Justice: Queen of Hearts — Lucy Truffaut
• Hannibal — Margot Verger
• 2013Lawrence & Holloman — Zooey
• Motive — Leanne
• 2013The Spirit Game — Kate Fox
• 2013Torment — Sarah Morgan
• 2013Victims — Lindsay
• 2012Random Acts of Romance — Bud
• 2012The Movie Out Here — Danielle
• Being Human — Suzanna Waite
• Endgame — Danni
• Health Nutz — Jennifer
• 2011Vampire — Lapis Lazuli
• 201030 Days of Night: Dark Days — Stacey
• 2010Frankie & Alice — Paige
• 2010Hard Ride to Hell — Kerry
• Rookie Blue — Detective Frankie Anderson
• 2010Sins of the Mother — Ivy
• 2010Smoke Screen — Wife
• 2009Beyond Sherwood Forest — Alina
• 2009Favourite People List — Denise Moynahan
• 2009Hostile Makeover — Cherise Smithsonian
• 2009Killer Hair — Cherise
• 2009Ogre — Jessica
• 2009Rampage — Beauty Staff #2
• The Assistants — Paulette Reubin
• The Good Wife — Cindy Lewis
• 2008Another Cinderella Story — Bree Blatt
• Flashpoint — Maddie
• 2008Mail Order Bride — Jen
• Sanctuary — Sophie
• The Englishman's Boy — Norma Carlyle
• Heartland — Mindy Fanshaw
• 2006Eight Days to Live — Lucinda Klunn
• 2006Engaged to Kill — Maddy Lord
• 2006Everything's Gone Green — Heather
• Psych — Sigrid, Priscilla Morgenstern
• 2006Rapid Fire — Amber
• Reunion — Courtney
• Supernatural — Ava Wilson
• Young Blades — Celeste Le Rue
• 2004Ginger Snaps 2: Unleashed — Ginger Fitzgerald
• 2004Ginger Snaps Back: The Beginning — Ginger Fitzgerald
• Legend of Earthsea — Yarrow
• 2004Show Me — Jenna
• The L Word — Marci Salvatore
• 2004The Last Casino — Elyse
• 2004The Life — Amber Reilly
• 2003Falling Angels — Lou Field
• 2003Freddy vs. Jason — Gibb
• 2003On the Corner — Stacey Lee
• 2003Shot in the Face — Erin
• 2002Carrie — Tina Blake
• 2002Due East — Reba
• 2002Insomnia — Tanya Francke
• John Doe — Shayne Pickford
• 2002Spooky House — Mona
• The Eleventh Hour — Petrel
• 2002The Secret Life of Zoey — Kayla
• 2002Turning Paige — Paige Fleming
• 2001Bones — Tia
• 2001Josie and the Pussycats — Laughing Girl
• Night Visions — Vicki (segment "Rest Stop")
• Smallville — Sara Conroy
• The Chris Isaak Show — Melissa
• 2000Ginger Snaps — Ginger Fitzgerald
• 2000Snow Day — Marla
• The Fearing Mind — Josie Hogan
• The Immortal — Taurez
• Mentors — Annie Sullivan
• Da Vinci's Inquest — Madeline Marquetti, Audrey
• 1998Disturbing Behavior — Lindsay Clark
• First Wave — Denise, Elizabeth
• The Net — Malika
• 1998Voyage of Terror — Aly Tauber
• 1997Married to a Stranger — Lacey Potter
• Stargate SG-1 — Valencia
• 1996Goosebumps: It Came from Beneath the Sink — Kat Merton
• 1996Salt Water Moose — Josephine 'Jo' Parnell
• 1996The Prisoner of Zenda, Inc. — Fiona (as Katherine Isobel)
• Titanic — Ophelia Jack
• Children of the Dust — Young Rachel
• Goosebumps — Kat Merton
• The Outer Limits — Tammy Sinclair
• Lonesome Dove: The Series — Francis Maitland
• Madison — Allysia Long
• The X-Files — Lisa Baiocchi
• 1992Knight Moves — Erica Sanderson
• 1991Yes Virginia, There Is a Santa Claus — Virginia O'Hanlon
• 1990A Klondike Christmas — Angora (voice)
• 1990Burning Bridges — Emily Morgan
• 1989Cold Front — Katie McKenzie
• 1989Cousins — Chloe Hardy
• 1989Immediate Family — Birthday Girl
• 1989Last Train Home — Sarah Bradshaw
• Neon Rider — Maxine ‘Max’ Forrest (as Katie Murray)
• 1989The Last Winter — Winnie Jamison
• MacGyver — Violet
• The Ray Bradbury Theater — Mink Morris
• Blind Owl — Lily
• Origami

Appearances as themselves (3)

• 2024Better Off — Self
• 2022Hollywood Dreams & Nightmares: The Robert Englund Story — Self
• Eli Roth's History of Horror — Self