Brenna O'Brien Filmography
- Actor (41 credits)
- Unforgotten (2017) Nurse
- Murder, She Baked: A Deadly Recipe (2016) Carly Winters
- Garage Sale Mystery: The Deadly Room (2015) Tina
- The 12 Disasters of Christmas (2012) Elizabeth
- Girl in Progress (2012) Valerie
- Life Unexpected (2010) Courtney
- Charlie St. Cloud (2010) Girl in Toy Store
- R.L. Stine's The Haunting Hour (2010) Samantha
- What Goes Up (2009) Diminutive Girl
- Fear Island (2009) Regina
- Knights of Bloodsteel (2009) Talia
- InuYasha: Kanketsu-hen (2009) Rin
- The Troop (2009) Angie
- Phantom Racer (2009) Jesse
- Gym Teacher: The Movie (2008) Morgan
- Incident at a Truckstop Diner (2008) Daughter
- Ace of Hearts (2008) Val
- Iron Man: Armored Adventures (2008) Rhona Erwin
- Next Avengers: Heroes of Tomorrow (2008)
- Zixx: Level Three (2007) Meghan
- Kidô Senshi Gundam 00 (2007) Hiling Care
- Beneath (2007)
- Perfect Child (2007) Older Girl
- Tin Man (2007) Ella-B Bedose
- The Middle (2007) Sue Heck
- Kyle XY (2006) Katie
- Alice, I Think (2006) Violet
- X-Men: The Last Stand (2006) Minivan Daughter
- Merlin's Apprentice (2006) Young Brianna
- Max Havoc: Ring of Fire (2006) Valentine
- Masters of Horror (2005) Amy
- Inuyasha - Guren no Houraijima (2004) Rin, voice acting
- Scooby Doo 2: Monsters Unleashed (2004) Buttercup Scout
- Inuyasha - Tenka hadou no ken (2003) Rin, voice acting
- Popotan (2003) Nono
- Tokyo andâguraundo (2002) Mei
- Inuyasha - Toki wo Koeru Omoi (2001) Rin, voice acting
- Project ARMS (2001) Aya
- Tottoko Hamutaro (2000) Mimi (Panda's owner)
- Master Keaton (1998) Clara, voice acting
- Dragon Ball Z (1996) Pan, voice acting
