Todd Scherer Louiso is an American actor and director. On House, M.D., he portrayed the agoraphobic patient Stewart Nozick in the Season 5 episode The Itch. Louiso started acting in his teens, appearing in several specials directed at that age group. By his twenties, he was a regular on Phenom. Since then, he has had featured roles in The Rock, Jerry Maguire, 8 Heads in a Duffel Bag, Chicago Hope, High Fidelity, Thank You for Smoking, Snakes on a Plane, and Bill. Louiso's latest project is directing the movie Hello I Must Be Going, which will be released in 2012.