The Great Office Mystery
- Odun: 1928
- Orilẹ-ede: United States of America
- Oriṣi: Crime, Drama
- Situdio: British Filmcraft Productions
- Koko-ọrọ: sexton blake
- Oludari: George A. Cooper
- Simẹnti: Langhorn Burton, Mickey Brantford, Fred Raynham, Gabrielle Morton, Ronnie Curtis
