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" Classical acting " is a type of acting that is based on the theories and systems of select classical actors including Konstantin Stanislavski and Michel Saint-Denis , including the expression of the body , voice , imagination , personalizing , improvisation , external stimuli , and script analysis .
 Konstantin Stanislavski, Michel Saint-Denis
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Konstantin Stanislavski, Michel Saint-Denis