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Dirk Bogarde wrote about his start at tiny Amersham rep in 1939 , and Michael Caine has recounted his time spent at Horsham rep in the early fifties .
 Dirk Bogarde, Amersham, Michael Caine, Horsham
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:
 Dirk Bogarde, Amersham, Michael Caine, Horsham