Page first acted on camera in 1997 at age ten, starring as Maggie Maclean in the CBC television movie Pit Pony, which later spun off into a television series of the same name that ran from 1999 to 2000. For the role, he won a Young Artist Award. In 2002, Page starred as Joanie in the film Marion Bridge, which is noted for being his first feature film role. In the same year, he was cast in the television series Trailer Park Boys in the recurring role of Treena Lahey, which he played for five episodes. Page had roles in the films Touch & Go and Love That Boy in 2003, and he also starred in the television films Homeless to Harvard: The Liz Murray Story and Ghost Cat in the same year. For Ghost Cat, he won the Gemini Award for Best Performance in a Children's or Youth Program or Series. In 2004, Page starred in the drama Wilby Wonderful, for which he won an award at the Atlantic Film Festival and was nominated for a Genie Award. Also in 2004, he had a recurring role in season 1 of the series ReGenesis as Lilith Sandström, daughter of the show's protagonist.