The Great Office Mystery
- අවුරුදු: 1928
- රට: United States of America
- ප්රභේදය: Crime, Drama
- ශබ්දාගාර: British Filmcraft Productions
- මූල පදය: sexton blake
- අධ්යක්ෂක: George A. Cooper
- කාස්ට්: Langhorn Burton, Mickey Brantford, Fred Raynham, Gabrielle Morton, Ronnie Curtis
