- Country: USA
- Genres: Crime, Drama
- Release: 1920-09-12
- Director: Kenneth S. Webb
- Writers: David Daniel Cohen , Kenneth S. Webb
- Language: None
- Stars: Lionel Barrymore (1878–1954) , Gypsy O’Brien , Ralph Kellard , Bradley Barker , Charles Brandt , Marie Shotwell , Bernard Randall , Charles Edwards , Louis Stern , Alma Aiken
- Runtime: 50 min
- Awards: N/A
- AKA: Sinners Three (United States of America) , The Master Mind (United States of America) , The Master Mind
- Plot: The defense attorney who was unable to obtain the acquittal of an innocent young man concocts a complicated and diabolical scheme to revenge himself upon the prosecutor.
- IMDB:tt0011451
The Master Mind Cast · · · ALL
Kenneth S. Webb
Director
Lionel Barrymore
(1878–1954)
Henry Allen
Ralph Kellard
Wainwright
Bradley Barker
Creegan
Charles Brandt
Hank
Marie Shotwell
Sadie
Bernard Randall
Diamond Willie
Percy Helton
Younger brother