Plot: A man arrives claiming to know that Superboy is really Clark Kent. The man claims to be from Krypton
Cast
Ross ElliottRoss Elliott was 49 in The Adventures Of Superboy - Season 1 - The Man Who Knew Superboy's Secret (Episode 4).
Birthday: Mon, Jun 18 1917
Thu, Aug 12 1999
Thu, Aug 12 1999
Janet WaldoJanet Waldo was 46 in The Adventures Of Superboy - Season 1 - The Man Who Knew Superboy's Secret (Episode 4).
Birthday: Wed, Feb 04 1920
Sun, Jun 12 2016
Sun, Jun 12 2016
Bob HastingsBob Hastings was 41 in The Adventures Of Superboy - Season 1 - The Man Who Knew Superboy's Secret (Episode 4).
Birthday: Sat, Apr 18 1925
Mon, Jun 30 2014
Mon, Jun 30 2014
Jackson BeckJackson Beck was 54 in The Adventures Of Superboy - Season 1 - The Man Who Knew Superboy's Secret (Episode 4).
Birthday: Tue, Jul 23 1912
Wed, Jul 28 2004
Wed, Jul 28 2004