Cast
Kirk Alyn
Inspector David Worth
Rosemary La Planche
Laura Keith
Roy Barcroft
Spade Gordon
Carol Forman
Nila
James Dale
Agent Steve Evans
Bruce Edwards
Prof. Paul Williams [Chs. 1-6]
James Craven
Prof. James Clayton [Chs. 1, 10-12]
Dave Anderson
Porter [Ch. 9]
Directed by: Fred C. Brannon
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Data provided by TMDB