Barrell’s television work includes made-for-TV movies Poe (2011) as Rowena, and Girls Night Out (2017) as Sadie. Guest appearances include Lost Girl in the episode “Table for Fae” (2012) as Maisie; Murdoch Mysteries in episodes “Murdoch in Toyland” (2012) as Marley Rosevear, and “The Murdoch Appreciation Society” (2014) as Ruby Rosevear; Saving Hope in the episode “Can’t You Hear Me Knocking?” (2015) as Dixie Kolesnyk. Along with her role as Sheriff Nicole Haught in Wynonna Earp, Barrell appears in Workin’ Moms in the recurring role of Alicia Rutherford.
Film roles include Jaqueline Gill in The Scarehouse (2014), Mary in My Ex-Ex (2015), and Victoria Burns in Definition of Fear (2015).
Her production company, Kit Media, produced several short films and her 2013 comedy short Issues was recognized as one of the top short films of the year by Richard Crouse. Kit Media was rebranded as Blue Eyed Bandit in 2018.
Barrell’s ensemble film Dissecting Gwen, based on her own story, won the 2017 Best Screenplay Award by Women in Film & Television – Toronto, and was awarded Best Comedy Short by the 2017 Canadian Diversity Film Festival.