She was born in Perth, Australia and is a graduate of the Western Australian Academy of Performing Arts. In 2013, Blackmore was a finalist for the Heath Ledger Scholarship award which is intended to give her a chance at success in Hollywood.
Aside from her role in Supernatural, she is best known for playing Valerie Tulle in The Vampire Diaries and Natalie in the 2013 horror film Evil Dead.
- Elizabeth revealed in an interview that working with Adam Fergus is difficult, because he always makes her laugh.
- Legend Of The Seeker (2010) as Sister Marianna
- Home and Away (2011) as Real Shandi Palmer
- Beauty and The Beast (2012) as Victoria Hansen
- The Vampire Diaries (2015-2016) as Valerie Tulle
- Supernatural (2016-2017) as Lady Toni Bevell
- Burning Man (2011)
- Evil Dead (2013) as Natalie
- The Road Home (2013) as Dede short movies
- Skin Deep (2014) as Isabel
- Killer and Thieves (2015) as Thief short movie