Cast

Michael Whalen

Robert Norton

Anne Nagel

Nancy Fielding

William Bakewell

Tom Fielding

Constance Worth

Linda Pavlo

Hans Heinrich von Twardowski

Capt. Gemmler

Jack Mulhall

Chief Agent James Curtis

George Pembroke

Prof. Karl Schmidt

Kenneth Harlan

Agent Brown

Robert Frazer

John Oliver

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Hans von Morhart

Heinrich

Crew

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Albert Herman

Director (Directing)

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Arthur St. Claire

Story (Writing)

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Arthur St. Claire

Screenplay (Writing)

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Edward Linden

Director of Photography (Camera)