From Wikipedia the free encyclopedia Melanie Merkosky born April 7 1986 is a Canadian actress perhaps best known for her work portraying the main character Jennie in the Internet series lonelygirl15Merkosky has had parts on Runaway Slings and Arrows and American Pie Presents The Naked Mile In 2009 she starred as Robin Matthews on the web seriesHarpers Globe which was an online companion to TV series Harpers Island