The Master Mind
- Annu: 1920
- Paese: United States of America
- Genre: Crime, Drama
- Studio: Whitman Bennett Productions
- Parolla chjave: revenge, psychologist
- Direttore: Kenneth S. Webb
- Cast: Lionel Barrymore, Gypsy O'Brien, Ralph Kellard, Bradley Barker, Charles Brandt, Marie Shotwell
