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On November 19 , 2014 , it was announced that Morgan Freeman and Michael Caine were cast in the film to play the lead roles , while Dustin Hoffman was in talks to join them .
 Morgan Freeman, Michael Caine, Dustin Hoffman
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:
 Morgan Freeman, Michael Caine, Dustin Hoffman