About Robert Stack:
Robert Stack was an American actor, sportsman, and television host. In addition to acting in more than 40 feature films, he starred in the 1959–63 ABC-TV hit television series The Untouchables, for which he won the 1960 Emmy Award for Best Actor in a Dramatic Series, and later hosted Unsolved Mysteries from 1987 until 2002. He was also nominated for an Academy Award for Best Supporting Actor for the film Written on the Wind in 1956.