Cast

John Loder

Reginald Parker / Edward Grey

June Duprez

April Manby Carson

Michael St. Angel

Lieutenant Bob Carson

Miles Mander

Chief Inspector W.R. Allison

Rose Hobart

Dorothy Kent

Gilbert Emery

Dr. Manby

Rex Evans

Leslie Shelton

Matthew Boulton

Inspector Graham

Olaf Hytten

Banks

Lydia Bilbrook

Mrs. Manby

Crew

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Arnold Lipp

Screenplay (Writing)

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Les Millbrook

Editor (Editing)

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Hugh Gray

Additional Dialogue (Crew)

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Sid Rogell

Executive Producer (Production)

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Herman Schlom

Producer (Production)

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Max Nosseck

Screenplay (Writing)

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Max Nosseck

Director (Directing)

Leigh Harline

Original Music Composer (Sound)

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J. Roy Hunt

Director of Photography (Camera)

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Harley Miller

Set Decoration (Art)