The Master Key
- Bliain: 1945
- Tír: United States of America
- Seánra: Action, War, Crime
- Stiúideo: Universal Pictures
- Eochairfhocal: movie serial
- Stiúrthóir: Lewis D. Collins, Ray Taylor
- Caitheadh: Milburn Stone, Jan Wiley, Dennis Moore, Addison Richards, Byron Foulger, Maris Wrixon
