Undercover Agent
- Blwyddyn: 1939
- Gwlad: United States of America
- Genre: Crime, Drama
- Stiwdio: Crescent Pictures Corporation
- Allweddair: clerk, counterfeiting, mail carrier
- Cyfarwyddwr: Howard Bretherton
- Cast: Russell Gleason, Shirley Deane, Maude Eburne, J.M. Kerrigan, Oscar O'Shea, Ralf Harolde