Cast
H. Agar Lyons
Dr. Sin Fang
Fred Paul
Lt. Comdr. John Byrne R. N. of the N. S. S.
Wally Patch
Private Bill Riggers
Fred Rains
Professor Harbray
Evelyn Arden
Betty Harbray
Crew
Fred Paul
Producer
Fred Paul
Director
Patrick K. Heale
Screenplay
Frank Canham
Director of Photography
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