How did kirk douglas play spur with wooden leg?

As far as I understand the question, you are talking about drama called ''The Man From Snowy River''. Well, there were some quite tricky ways of creatin the vision of a guy with no leg. So, when making the movie they just had the actors leg bent back and strapped in place. Also, you can come across how they avoid side shots, just a great foreshortening game. 

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