Frontier Investigator
- ປີ: 1949
- ປະເທດ: United States of America
- ປະເພດ: Action, Western
- ສະຕູດິໂອ: Republic Pictures
- ຄຳ ສຳ ຄັນ: brother, murder, mail
- ຜູ້ ອຳ ນວຍການ: Fred C. Brannon
- ຫລໍ່: Allan Lane, Black Jack, Eddy Waller, Roy Barcroft, Gail Davis, Robert Emmett Keane
