King of the Underworld
- Bliadhna: 1952
- Dùthaich: United Kingdom
- Seòrsa: Drama, Crime
- Stiùidio: Gilbert Church Productions
- Faclan-luirg: blackmail, murder, secret formula
- Stiùiriche: Victor M. Gover
- Cast: Tod Slaughter, Patrick Barr, Tucker McGuire, Ingeborg von Kusserow, Frank Hawkins, Leonard Sharp