She is known for her roles of Gracie Johanssen in the television series Orphan Black and Ashley in the movie Bad Hair Day.
[5] In 2014, Grand Maison joined the recurring cast of the series Orphan Black portraying Gracie Johanssen.
[10] In June 2015, Grand Maison joined the main cast of the film Adam's Testament alongside fellow Canadian actor Luke Bilyk.
[11] In September 2015, Grand Maison joined the main cast of the film Morning After, playing the role of Teegan when it premiered in Spring 2016.
Grand Maison portrayed the leading role in the telefilm Pregnant At 17 from NB Thrilling Films.