In 2002, Robertson starred as one of the leads in the short-lived Fox legal drama series "Girls Club" created by David E. Kelley. She later appeared in a number of independent films, and had guest-starring roles on ', "Medium", ', and "Rookie Blue". In 2006, she appeared in "Hollywoodland" opposite Adrien Brody. From 2006 to 2007, she had the leading role in the Canadian comedy series, "The Business". In 2007, she starred in the Syfy miniseries "Tin Man" as the primary antagonist of the story.