Lalonde completed her first two feature films in 2006: Heartstopper and 5ive Girls. She then starred in George A. Romero's Diary of the Dead, released in February 2008. Her TV Movie of the Week appearances include Murder in the Hamptons, Earthstorm, Nature of the Beast (ABC Family), and CBC's Victor: The Victor Davis Story.
In 2008, she reprised her leading role on CBC's series Sophie for a second season. The first season aired in 2009 on ABC Family in the United States, as it was purchased by ABC in February 2008. While filming the second season of Sophie in Montreal during the summer, Amy also traveled to Calgary to complete season one of the CBC drama, Wild Roses. In 2011, Lalonde guest-starred in My Babysitter's a Vampire: The Series.
