The relevant information to answer the above question is: Peter Gardner Ostrum (/ ostrm /; 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.is the reasoning for what question and answer pair?
Q: Peter Gardner Ostrum (/ ostrm /; 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.

Based on this passage, who played the original charlie and the chocolate factory?
A: Peter Gardner Ostrum