The Hidden Master
- Bliain: 1940
- Tír: United States of America
- Seánra: Documentary, History
- Stiúideo: Metro-Goldwyn-Mayer
- Eochairfhocal: luck
- Stiúrthóir: Sammy Lee
- Caitheadh: John Nesbitt, Peter Cushing, Dorothy Granger, Louis Jean Heydt, Richard Nichols, Emmett Vogan
