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Career John Vargas was cast in Neil Simon 's film Only When I Laugh , with Marsha Mason and James Coco .
 Vargas, Neil Simon, Marsha Mason, James Coco
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Vargas, Neil Simon, Marsha Mason, James Coco