Her collaborations with filmmaker Sofia Bohdanowicz—Never Eat Alone (2016), Veslemøy's Song (2018), MS Slavic 7 (2019), and Point and Line to Plane (2020)—have screened at film festivals internationally.

[2] Campbell studied creative writing at Concordia University in Montreal, Quebec before deciding to pursue an acting career.

[4] She was named as one of the Toronto International Film Festival's "Rising Stars" in 2015, alongside Stephan James, Aliocha Schneider, and Karelle Tremblay.

Since 2016, she has portrayed the character of Audrey Benac in six of Bohdanowicz's films: Never Eat Alone (2016), Veslemøy's Song (2018), MS Slavic 7 (2019), Point and Line to Plane (2020), A Woman Escapes (2022) and Measures for a Funeral (2024).

[23][24] In 2023, Campbell appeared in M. H. Murray's directorial debut, I Don't Know Who You Are, which premiered in the Discovery program at the Toronto International Film Festival.