From 2017 to 2019, she portrayed the titular character in the Canada-produced and Canadian- and American-distributed medical drama-black comedy Mary Kills People.

[citation needed] She began her career at the age of 8, dubbing voices for television productions such as Babar.

In 1992, she appeared as the dark brunette haired girl who played with the horse in the bedtime story hit Black Beauty.

She trained for two months with the Pointe-Claire Swim Club to convincingly portray Bell, who was the first to cross 32-mile Lake Ontario in 1954.

She appeared as Cerise in the 2003 horror flick A Tale of Two Sisters, inspired the South Korea hit from 2001, whom she and Katharine Isabelle starred together.

Since the cancellation of Wonderfalls, Dhavernas has continued to appear in Canadian-made features in 2004, such as Niagara Motel and These Girls.

[1]Other projects include The Cry of the Owl, a film adaptation of Patricia Highsmith's novel of the same name, and the popular Quebec comedy Father and Guns (De père en flic).

In 2012, audiences saw her in Martin Villeneuve's Mars et Avril, a science fiction film based on the graphic novels of the same name.

[2][3] In 2013, she was cast as Alana Bloom, the female lead in Hannibal, reuniting her with Wonderfalls creator Bryan Fuller.

Dhavernas starred in the Canadian black comedy-drama medical thriller Mary Kills People, which premiered on Global on January 25, 2017.