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Rex as Rex, Mary's Horse (as Rex the Wonder Horse) |
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Jack Perrin as Jack Crosby |
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Ethlyne Clair as Mary Ellis |
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Theodore Lorch as Luke Conner |
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Nelson McDowell as John Ellis |
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Starlight the Horse as Starlight, Jack's Horse |
| Directing | Henry MacRae | Director |
| Writing | George Morgan | Screenplay |
| Writing | George Morgan | Story |
| Camera | George Robinson | Director of Photography |
| Editing | Tom Malloy | Editor |
