The Great Office Mystery
- יאָר: 1928
- לאַנד: United States of America
- זשאַנראַז: Crime, Drama
- סטודיאָ: British Filmcraft Productions
- קיווערד: sexton blake
- דירעקטאר: George A. Cooper
- געשטאַלט: Langhorn Burton, Mickey Brantford, Fred Raynham, Gabrielle Morton, Ronnie Curtis