Brenna O'Brien
37 credits
- Buying Back My Daughter
2023 Lori
- Mystery 101: An Education in Murder
2020 Ella Quincy
- MatchMaker Mysteries: A Fatal Romance
2020 Caroline Higgins
- Aurora Teagarden Mysteries: A Very Foul Play
2019 Monica Swanson
- Unforgotten
2017 Nurse
- Murder, She Baked: A Deadly Recipe
2016 Carly Winters
- Garage Sale Mystery: The Deadly Room
2015 Tina
- Girl in Progress
2012 Valerie
- The 12 Disasters of Christmas
2012 Elizabeth
- Charlie St. Cloud
2010 Girl in Toy Store
- Life Unexpected
2010 Courtney
- R. L. Stine's The Haunting Hour
2010 Samantha
- Phantom Racer
2009 Jesse
- Fear Island
2009 Regina
- What Goes Up
2009 Diminutive Girl
- Knights of Bloodsteel
2009 Talia
- Next Avengers: Heroes of Tomorrow
2008 Torunn (voice)
- Gym Teacher: The Movie
2008 Morgan
- Beneath
2007 Christy at 14 years old
- Perfect Child
2007 Older Girl
- Tin Man
2007 Ella-B Bedose
- Max Havoc: Ring of Fire
2006 Valentine
- The Screwfly Solution
2006 Amy
- X-Men: The Last Stand
2006 Minivan Daughter
- Psych
2006 Heather
- Merlin's Apprentice
2006 Young Brianna
- Masters of Horror
2005 Amy
- Elemental Gelade
2005 (voice)
- Supernatural
2005 Cecily
- Scooby-Doo 2: Monsters Unleashed
2004 Buttercup Scout
- Zixx
2004
- The Dead Zone
2002 Little Julia
- Zombie Bloodbath 3: Zombie Armageddon
2000 Teacher Zombie
- The Shivers
1998 Skylar
- Whispers in the Gloom
1998 Alien Scientist
- Vampire Holocaust
1997 Leather
- Stargate SG-1
1997 Adria - Age 12
