USA
A very bright young lawyer with a very quick temper travels to Mission, a small Texas border town to even the score for the murder of his father, a secret service operator at the hands of gun-runners. - IMDb
| Casta indomable |  Spain |
| Des jeux pour pleurer |  Belgium |
| Fällan är gillrad |  Sweden |
| A Força do Gatilho (original subtitled version) |  Portugal |
| La funèbre vengeance |  France |
| Guerreiros em Luta |  Brazil |
| Hard som flint |  Norway |
| Ein Kerl wie Dynamit |  Austria |
| Ein Kerl wie Dynamit |  West Germany |
| Ein Kerl wie Dynamit | West Germany |
| Ein Mann wie Dynamit | West Germany |
| Nemirni soj |  Yugoslavia |
| Os Indomáveis | Brazil |
| Rasa neliniştită |  Romania |
| Rauhaton Texas |  Finland |
| La raza incansable (theatrical title) |  Argentina |
| The Restless Breed |  Canada |
| The Restless Breed |  United Kingdom |
| The Restless Breed | USA |
| Sheriffens søn |  Denmark |
| Stirpe maledetta |  Italy |
| La ville de la vengeance | France |
| Беспокойная порода |  Russia |
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Evelyn Rudie [8] | Kehta |
