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In some films , he plays multiple roles in addition to his main character , intended as a tribute to one of his idols Peter Sellers , who played multiple roles in " Dr. Strangelove " and elsewhere .
 Peter Sellers
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Peter Sellers