Robert Hepler "Rob" Lowe is an American actor. Lowe came to prominence after appearing in films such as The Outsiders, Oxford Blues, About Last Night..., and St. Elmo's Fire. On television, Lowe is known for his role as Sam Seaborn on The West Wing and his role as Senator Robert McCallister on Brothers & Sisters. He is currently a main cast member of Parks and Recreation, playing the role of Chris Traeger.