A Slinking Fiend ... Sulking Terror ... Mad Murder!

A Secret Service agent nabs a scalpel-happy doctor who runs drugs in caskets.

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Main Cast: Jack Holt, Constance Cummings, Boris Karloff, Claude King, Bertha Mann, Edward Van Sloan, Willard Robertson, Thomas E. Jackson, Martha Mattox, Jessie Arnold

Director: John Francis Dillon

Writer: Jo Swerling

Editor: Otis Garrett

Cinematographer: Ted Tetzlaff

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