Behind the Mask is a 1932 American pre-Code horror film directed by John Francis Dillon and starring Jack Holt, Boris Karloff and Edward Van Sloan.
Plot A federal agent goes undercover to infiltrate a drug smuggling operation headed by a mysterious Mr. X, a criminal mastermind whose identity is unknown even to his henchmen. Mr. X is also running a bogus hospital where victims are killed on the operating table, and their coffins stuffed with narcotics. The drug-filled coffins are then buried in a cemetery.
Cast Jack Holt as Jack Hart aka Quinn Constance Cummings as Julie Arnold Boris Karloff as Jim Henderson Claude King as Arnold Bertha Mann as Nurse Edwards Edward Van Sloan as Dr. August Steiner / Dr. Alec Munsell / Mr. X Willard Robertson as Capt. E.J. Hawkes Thomas E. Jackson as Agent Burke (as Tommy Jackson)
See also List of American films of 1932
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