who played jenny on charmed
Posted: 08/28/2013 12:09 pm EDT Updated: 08/28/2013 12:09 pm EDT. Before Beverly Hills, 90210, Charmed, three marriages and a drunk driving incident, Shannen Doherty was the spitting image of innocence. Doherty played little Jenny Wilder on the wholesome TV show Little House on the Prairie when she was 11 years old. It was just the beginning of her long and rocky acting career, but in 1982 she looked ready to take on the world. Or at least the prairie.