Federal Agents vs. Underworld, Inc.
- År: 1949
- Land: United States of America
- Genre: Action, Kriminalitet
- Studio: Republic Pictures
- Nøgleord: movie serial
- Direktør: Fred C. Brannon
- Cast: Kirk Alyn, Rosemary La Planche, Roy Barcroft, Carol Forman, James Dale, Bruce Edwards