Successful 'SNL' alums
Robert Downey Jr. (1985-1986): Hired on "SNL" at age 20, Downey was part of cast that earned the show's lowest ratings. Fired after one season, Downey had a breakthrough movie career that year starring in "Weird Science," "Pretty in Pink," and "Less than Zero." His career has enjoyed a renaissance ("Ironman," "Sherlock Holmes") after battling substance abuse problems. AP
