TV The Hardy Boys The Hardy Boys 8.8/10 by 4 users The sons of the great detective Fenton Hardy, Frank and Joe are eager to impress their father with their mystery solving skills. Details Casts Posters Images Title The Hardy Boys Alternative Titles First Air Date 1956-09-21 Last Air Date 1957-12-20 Number of Episodes 35 Number of Seasons 2 Genres Kids, Mystery, Networks , Casts Tim Considine, Tommy Kirk, Russ Conway, Sarah Selby, Carole Ann Campbell, Andy Clyde, John Baer, Hugh Sanders Plot Keywords , Frank Hardy Tim Considine Joe Hardy Tommy Kirk Fenton Hardy Russ Conway Aunt Gertrude Hardy Sarah Selby Iola Morton Carole Ann Campbell Lacey Andy Clyde Eric John Baer Mr. Binks Hugh Sanders