- HD 1080
- Runtime: 68m.
- Status: Released
0
- Languages: en
- Country: United States of America
- Director: John Francis Dillon
- Stars: Jack Holt, Constance Cummings, Boris Karloff, Claude King, Bertha Mann
- keywords: undercover, coffin, drugs, federal agent, pre-code
- Production_studio: Columbia Pictures
- Slogan: A Slinking Fiend ... Sulking Terror ... Mad Murder!
- The Behind the Mask is featured in the top rankings of 1932
- #15 in Top Crime Movies of 1932
- #5 in Top Thriller Movies of 1932
- #11 in Top Horror Movies of 1932
A Secret Service agent nabs a scalpel-happy doctor who runs drugs in caskets.