The Great Office Mystery
- አመት: 1928
- ሀገር: United States of America
- ዘውግ: Crime, Drama
- ስቱዲዮ: British Filmcraft Productions
- ቁልፍ ቃል: sexton blake
- ዳይሬክተር: George A. Cooper
- ተዋንያን: Langhorn Burton, Mickey Brantford, Fred Raynham, Gabrielle Morton, Ronnie Curtis
