USA
Smith as an iron-willed railroad detective. When his friend Murray is fired from the railroad and begins helping Rebstock wreck trains, Smith must go after him. He also seems to have an interest in Murray's wife (and vice versa). - IMDb
| Abutres Humanos |  Brazil |
| Den hviskende skygge |  Denmark |
| Kuiskaava ratsastaja |  Finland |
| Der Letzte Schuß |  Austria |
| El Silencioso |  Argentina |
| Smith de zwijger |  Belgium |
| Smith el silencioso |  Spain |
| Smith el silencioso |  Mexico |
| Smith el silencioso | USA |
| Smith il taciturno |  Italy |
| Smith le taciturne |  France |
| Smith le taciturne | Belgium |
| Smith silentiosul |  Romania |
| Der Todesverächter |  West Germany |
| A Vida Por Um Fio |  Portugal |
| Viskande Smith |  Sweden |
| Whispering Smith |  Australia |
| Whispering Smith |  Canada |
| Whispering Smith |  United Kingdom |
| Whispering Smith | USA |
| Αμείλικτος τιμωρός (reissue title) |  Greece |
| Όλοι θα σκοτωθείτε | Greece |
| ネブラスカ魂 |  Japan |
 |
Gary Gray [11] | Bobby, Baggs' Grandson |
