The Great Office Mystery
- کال: 1928
- هیواد: United States of America
- ډول: Crime, Drama
- سټوډیو: British Filmcraft Productions
- کلیدي ټکی: sexton blake
- ډایرکټر: George A. Cooper
- کاسټ: Langhorn Burton, Mickey Brantford, Fred Raynham, Gabrielle Morton, Ronnie Curtis
