 Later that year, he became a recurring cast member on the sitcom "Growing Pains", playing Luke Brower, a homeless boy who is taken in by the Seaver family.Costar Joanna Kerns recalls DiCaprio being "especially intelligent and disarming for his age" but also mischievous on set.The teenage DiCaprio was cast by the producers to appeal to the teenage female audiences, but when the show's ratings did not improve, DiCaprio left it.