20341
This film stars Karl Dane , George K. Arthur and Charlotte Greenwood and is her third feature film , she having made two previous films in 1916 and 1918 .
 Karl Dane, George K. Arthur, Charlotte Greenwood
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:
 Karl Dane, George K. Arthur, Charlotte Greenwood