- Unlike most, if not all, movie cowboys, Osborne almost always wore the drawstring on his cowboy hat firmly cinched under his chin.
- Noted for his amazing ability to handle a team of horses, whether a four- or six-horse team, a skill he picked up while working in Wild West shows in his youth and never lost.
- Before entering films he worked for a variety of traveling Wild West shows, including the famous Buffalo Bill's Wild West Show, for which he was arena director.
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