The Great Office Mystery
- .Yl: 1928
- Countryurt: United States of America
- Reanr: Crime, Drama
- Studiýa: British Filmcraft Productions
- Açar söz: sexton blake
- Direktor: George A. Cooper
- Aktrisa: Langhorn Burton, Mickey Brantford, Fred Raynham, Gabrielle Morton, Ronnie Curtis
