Frontier Investigator
- વર્ષ: 1949
- દેશ: United States of America
- શૈલી: Action, Western
- સ્ટુડિયો: Republic Pictures
- કીવર્ડ: brother, murder, mail
- ડાયરેક્ટર: Fred C. Brannon
- કાસ્ટ: Allan Lane, Black Jack, Eddy Waller, Roy Barcroft, Gail Davis, Robert Emmett Keane
