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Cast

Jack Holt

Jack Holt

Jack Hart aka Quinn

Constance Cummings

Constance Cummings

Julie Arnold

Boris Karloff

Boris Karloff

Jim Henderson

Claude King

Claude King

Arnold

Bertha Mann

Bertha Mann

Nurse Edwards

Edward Van Sloan

Edward Van Sloan

Dr. August Steiner / Dr. Alec Munsell / Mr. X

Willard Robertson

Willard Robertson

Capt. E.J. Hawkes

Thomas E. Jackson

Thomas E. Jackson

Agent Burke

Martha Mattox

Martha Mattox

Hotel Ansonia Maid

Jessie Arnold

Jessie Arnold

Eastland Hospital Nurse

Harry Tenbrook

Harry Tenbrook

Man in Black / Henchman in Boat

Crew

John Francis Dillon

John Francis Dillon

Director

Jo Swerling

Jo Swerling

Writer

Jo Swerling

Jo Swerling

Story

Ted Tetzlaff

Ted Tetzlaff

Director of Photography

Harry Cohn

Harry Cohn

Producer

Edward Sloman

Edward Sloman

Assistant Director

Otis Garrett

Otis Garrett

Editor

Movie poster

Behind the Mask

19325.8 / 1068 min
Crime, Horror, Thriller

Overview

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

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