Bennett portrayed Dee Taggart on the 2015 CBC spy drama The Romeo Section. She also appeared in the 2015 Disney Channel television film Descendants as Snow White. Her other acting credits include the films Grave Encounters 2 and Leprechaun: Origins, and appearances on television series Supernatural and iZombie. She appears as Lydia Branwell in the Freeform fantasy television series Shadowhunters.
In September 2016, CBC announced it had commissioned a one-hour drama series that follows the star players of an under-21 soccer academy in Montreal, titled 21 Thunder, with Bennett slated to star as one of the lead characters The series is in production and is slated to premiere in 2017.