The sons of the great detective Fenton Hardy, Frank and Joe are eager to impress their father with their mystery solving skills.
Top Billed Cast
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Tim Considine
Frank Hardy (35 episodes)
Tommy Kirk
Joe Hardy (35 episodes)
Russ Conway
Fenton Hardy (35 episodes)
Sarah Selby
Aunt Gertrude Hardy (35 episodes)
CAC
Carole Ann Campbell
Iola Morton (35 episodes)
FA
Florenz Ames
Silas Applegate (20 episodes)
Robert Foulk
Jackley the Plumber (20 episodes)
DM
Donald MacDonald
Perry Robinson (20 episodes)
Arthur Shields
Boles (20 episodes)
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