| Original title | Wolves of the Rail |
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| Danish title | Fribytteren fra New Mexico |
| Leikstjórn | William S. Hart |
| Land | USA |
| Domestic distribution | Dansk-Svensk Film |
| Danish theatrical release | 05.12.1921 |
| Cinemas | Metropolteatret |
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| Production company | William S. Hart Productions |
| Domestic distribution | Dansk-Svensk Film |
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Instruktion |
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| Instruktion | William S. Hart |
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