Use reasoning to lead to the answer of the following question:
Peter Gardner Ostrum (/ ˈoʊstrəm /; born November 1957) is an American veterinarian and former child actor whose only film role was as Charlie Bucket in the 1971 motion picture Willy Wonka & the Chocolate Factory.\n\nBased on this passage, who played the original charlie and the chocolate factory?

Peter Gardner Ostrum
The relevant information to answer the above question is: Peter Gardner Ostrum (/ ˈoʊstrəm /; born November 1957) is an American veterinarian and former child actor whose only film role was as Charlie Bucket in the 1971 motion picture Willy Wonka & the Chocolate Factory.

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The final answer: Peter Gardner Ostrum