First announced in 2008, Booky's Crush is the third in a series of made-for-TV films about Beatrice 'Booky' Thomson, a little girl growing up in Toronto during the depression era.
Forbes also wrote the made for TV movie Booky's Crush in 2009, based on the Booky novels by Bernice Thurman Hunter, and Girlfriend in a Coma based on Douglas Coupland's novel.
Marcus' first acting job, apart from school plays, was when at 10-years-old she landed the starring role of Beatrice 'Booky' Thomson in Booky and the Secret Santa, a made for TV film based upon the novel series by Bernice Thurman Hunter.