Cast
Charles Quigley
Duncan Richards
Linda Stirling
Diana Farnsworth
Clayton Moore
Louis Ashe
I. Stanford Jolley
Dr. Blackton Ch. 11
Kenne Duncan
Dr. Chambers Chs. 1-2, 8
Forrest Taylor
Prof. Van Wyck
Emmett Vogan
Anderson Chs. 1-4
Sam Flint
Maxwell
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Joseph Forte
Prof. Parker
Stanley Price
Count Fator Chs. 11-12
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Bud Thackery
Cinematographer