39573
The film stars Vivian Martin , Tom Moore , Charles West , Ernest Joy , Charles K. Gerrard , and Helen Bray .
 Vivian Martin, Tom Moore, Charles West, Ernest Joy, Charles K. Gerrard, Helen Bray
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:
 Vivian Martin, Tom Moore, Charles West, Ernest Joy, Charles K. Gerrard, Helen Bray