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He went on to perform in the 1977 earthquake-in-Los-Angeles comedy Cracking Up , alongside Fred Willard , Michael McKean , and Harry Shearer .
 Fred Willard, Michael McKean, Harry Shearer
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Fred Willard, Michael McKean, Harry Shearer