| # | Fact |
|---|
| 1 | Her favorite film is Apocalypse Now (1979). |
| 2 | She hated Freddy vs. Jason (2003). |
| 3 | She is considered a modern day scream queen. |
| 4 | She made guest appearances on all three of the longest running North American science fiction series: The X-Files (1993), Stargate SG-1 (1997) and Smallville (2001). |
| 5 | Both Katharine Isabelle and Emily Perkins (her co-star in the Ginger Snaps (2000) movies) have guest starred on Supernatural (2005) and Da Vinci's Inquest (1998); but in different episodes. |
| 6 | In addition to the Ginger Snaps movie series, Katharine Isabelle and Emily Perkins have played sisters in Another Cinderella Story (2008). |
| 7 | Worked 3 times with her brother Josh: Cold Front (1989), The Last Winter (1989) and Knight Moves (1992). |
| 8 | Daughter of Graeme Murray and Gail Murray. |
| 9 | Sister of former child actor and journalist Joshua Murray. |
| 10 | Was originally asked to audition to play "Lori" in Freddy vs. Jason (2003), but when she arrived, director Ronny Yu asked her to audition for the role of "Gibb", claiming she would better suit a more liberal role. Katharine reluctantly accepted. Yu failed to tell her she would be expected to do the nude scenes, which would spark friction between the two during shooting when she made it clear she would not do the nude scenes. |
| 11 | She said that when she went to a pharmacy after a day of shooting Ginger Snaps (2000), the people there thought she'd been beaten up since she was still covered in fake blood. |
| 12 | Katharine refuses to do nude scenes, and has had a body double for every instance where such a scene exists, including the bed and shower scenes in Freddy vs. Jason (2003), the rising from the bed scene in Ginger Snaps Back: The Beginning (2004), and the bed scene in Engaged to Kill (2006), to name but three. The same woman body-doubled the latter two. |
| Title | Year | Status | Character |
|---|
| How to Plan an Orgy in a Small Town | 2016 | completed | Alice Solomon |
| A.R.C.H.I.E. | 2015 | post-production | Brooke |
| The Girl in the Photographs | 2015 | post-production | Janet |
| Hannibal | 2014-2015 | TV Series | Margot Verger |
| Rookie Blue | 2015 | TV Series | Detective Frankie Anderson |
| 88 | 2014/II | | Gwen |
| See No Evil 2 | 2014 | | Tamara |
| Primary | 2014 | | Andrea |
| Being Human | 2013-2014 | TV Series | Suzanna Waite |
| Psych | 2008-2014 | TV Series | Priscilla Morgenstern / Sigrid |
| Torment | 2013 | | Sarah Morgan |
| Lawrence & Holloman | 2013 | | Zooey |
| Cinemanovels | 2013 | | Charlotte |
| Cedar Cove | 2013 | TV Series | Cecilia Rendall |
| The Spirit Game | 2013 | Short | Kate Fox |
| 13 Eerie | 2013 | | Megan |
| Eve of Destruction | 2013 | TV Mini-Series | Calla |
| Victims | 2013 | | Lindsay |
| Motive | 2013 | TV Series | Leanne |
| Goodnight for Justice: Queen of Hearts | 2013 | TV Movie | Lucy Truffaut |
| Random Acts of Romance | 2012 | | Bud |
| The Movie Out Here | 2012 | | Danielle |
| Flashpoint | 2012 | TV Series | Maddie |
| American Mary | 2012 | | Mary Mason |
| Endgame | 2011 | TV Series | Danni |
| Health Nutz | 2011 | TV Series | Jennifer |
| Vampire | 2011/I | | Lapis Lazuli |
| Smoke Screen | 2010 | TV Movie | Wife |
| 30 Days of Night: Dark Days | 2010 | Video | Stacey |
| Hard Ride to Hell | 2010 | Video | Kerry (as Katherine Isabelle) |
| Frankie & Alice | 2010 | | Paige |
| Sins of the Mother | 2010 | TV Movie | Ivy |
| Favourite People List | 2009 | Short | Denise Moynahan |
| Beyond Sherwood Forest | 2009 | TV Movie | Alina |
| The Good Wife | 2009 | TV Series | Cindy Lewis |
| The Assistants | 2009 | TV Series | Paulette Reubin |
| Rampage | 2009 | | Beauty Staff #2 |
| Hostile Makeover | 2009 | TV Movie | Cherise Smithsonian |
| Killer Hair | 2009 | TV Movie | Cherise |
| The L Word | 2009 | TV Series | Marci Salvatore |
| Heartland | 2009 | TV Series | Mindy Fanshaw |
| Mail Order Bride | 2008 | TV Movie | Jen |
| Sanctuary | 2008 | TV Series | Sophie |
| The Englishman's Boy | 2008 | TV Mini-Series | Norma Carlyle |
| Ogre | 2008 | TV Movie | Jessica |
| Another Cinderella Story | 2008 | Video | Bree |
| Supernatural | 2007 | TV Series | Ava Wilson |
| Rapid Fire | 2006 | TV Movie | Amber |
| Reunion | 2006 | TV Series | Courtney |
| Everything's Gone Green | 2006 | | Heather |
| Engaged to Kill | 2006 | TV Movie | Maddy Lord |
| Eight Days to Live | 2006 | TV Movie | Lucinda Klunn |
| Stargate SG-1 | 2006 | TV Series | Valencia |
| Young Blades | 2005 | TV Mini-Series | Celeste Le Rue |
| Earthsea | 2004 | TV Mini-Series | Yarrow |
| Show Me | 2004 | | Jenna |
| The Life | 2004 | TV Movie | Amber Reilly |
| Ginger Snaps Back: The Beginning | 2004 | | Ginger |
| The Last Casino | 2004 | TV Movie | Elyse |
| Bury the Lead | 2004 | TV Series | Petrel |
| Ginger Snaps 2: Unleashed | 2004 | | Ginger |
| Smallville | 2003 | TV Series | Sara Conroy |
| On the Corner | 2003 | | Stacey Lee |
| Falling Angels | 2003 | | Lou Field |
| Freddy vs. Jason | 2003 | | Gibb |
| Carrie | 2002 | TV Movie | Tina Blake |
| John Doe | 2002 | TV Series | Shayne Pickford |
| The Secret Life of Zoey | 2002 | TV Movie | Kayla |
| Due East | 2002 | TV Movie | Reba |
| Insomnia | 2002 | | Tanya Francke |
| Spooky House | 2002 | | Mona |
| Mentors | 2002 | TV Series | Anne Sullivan |
| The Outer Limits | 2002 | TV Series | Tammy Sinclair |
| Shot in the Face | 2001 | | Erin |
| Bones | 2001 | | Tia |
| Turning Paige | 2001 | | Paige Fleming |
| Night Visions | 2001 | TV Series | Vicki |
| The Chris Isaak Show | 2001 | TV Series | Melissa |
| Josie and the Pussycats | 2001 | | Laughing Girl |
| The Immortal | 2001 | TV Series | Taurez |
| The Fearing Mind | 2000 | TV Series | Josie Hogan |
| Ginger Snaps | 2000 | | Ginger |
| Snow Day | 2000 | | Marla |
| First Wave | 1998-1999 | TV Series | Denise / Elizabeth |
| Da Vinci's Inquest | 1998-1999 | TV Series | Madeline Marquetti / Audrey |
| The Net | 1999 | TV Series | Malika |
| Disturbing Behavior | 1998 | | Lindsay Clark |
| Voyage of Terror | 1998 | TV Movie | Aly Tauber |
| The X-Files | 1998 | TV Series | Lisa Baiocchi |
| Married to a Stranger | 1997 | TV Movie | Lacey Potter (as Katharine Isobel) |
| Madison | 1997 | TV Series | Allysia Long / Alyssia Long |
| Titanic | 1996 | TV Mini-Series | Ophelia Jack (as Katharine Isobel) |
| The Prisoner of Zenda, Inc. | 1996 | TV Movie | Fiona (as Katherine Isobel) |
| Salt Water Moose | 1996 | | Josephine 'Jo' Parnell (as Katharine Isobel) |
| Goosebumps | 1996 | TV Series | Kat Merton |
| Lonesome Dove: The Series | 1995 | TV Series | Francis Maitland |
| Children of the Dust | 1995 | TV Movie | Young Rachel (as Katherine Isobel) |
| Knight Moves | 1992 | | Erica Sanderson (as Katherine Isobel) |
| The Ray Bradbury Theatre | 1992 | TV Series | Mink |
| Yes Virginia, There Is a Santa Claus | 1991 | TV Movie | Virginia O'Hanlon (as Katherine Isobel) |
| Burning Bridges | 1990 | TV Movie | Emily Morgan (as Katie Murray) |
| Neon Rider | 1990 | TV Series | Maxine 'Max' Forrest |
| MacGyver | 1989 | TV Series | Violet |
| Last Train Home | 1989 | TV Movie | Sarah Bradshaw (as Katie Murray) |
| Immediate Family | 1989 | | Birthday Girl Carrie (as Katie Murray) |
| The Last Winter | 1989 | | Winnie Jamison (as Kate Murray) |
| Cold Front | 1989 | | Katie McKenzie (as Katie Murray) |
| Cousins | 1989 | | Chloe Hardy (as Katie Murray) |
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