sentences:  This was in addition to the episodes that had already been filmed, leaving the season total at twenty episodes.For season seven, the "Smallville" team would bring in two new regular cast members, Jimmy Olsen, who first appeared as a recurring guest in season six, and Kara Zor-El, Clark's biological cousin.On July 11, 2007, Canadian actress Laura Vandervoort was officially announced to be portraying Kara.