The Great Office Mystery
- Shekara: 1928
- Kasa: United States of America
- Salo: Crime, Drama
- Studio: British Filmcraft Productions
- Mahimmin bayani: sexton blake
- Darakta: George A. Cooper
- 'Yan wasa: Langhorn Burton, Mickey Brantford, Fred Raynham, Gabrielle Morton, Ronnie Curtis
