As the sympathetic and conflicted immunologist Dr. Allison Cameron on the hit TV medical drama, “House, M.D.” (Fox, 2004- ), Jennifer Morrison brought a touch of humanity – not to mention pulchritude – to the grave and occasionally morbid series. Up until that time, it was perhaps the most successful and widely-seen role in her film and television career, but the Midwestern-born actress has sought and landed diverse and interesting roles since she made her film debut in 1995.Born Aug. 19, 1979 in Chicago, IL, Morrison was raised in nearby Arlington Heights, attending the same school (Prospect