Catherine developed a love for acting at 5 years old when she began performing in school plays. At the age of 10, she joined Yellowbug Theatre School, where she studied for 11 years, touring plays around the island of Montreal.

In 2016, in her final year of professional theatre school, Catherine landed a lead role in the horror cult classic Game of Death (2017), which had its World Premiere at SXSW. Some of her other works include the feature film Hysteria (2022), Mean Queen (2018) for Lifetime, and the Netflix series, Spinning Out (2020).