357753
Following a public tour of the facility , 8-year-old Harold and 6-year-old Carl entered into the Hal Roach Studio 's open-to-the-public cafeteria , the Our Gang Café , and began an impromptu performance .
 Harold, Carl, Hal Roach
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Harold, Carl, Hal Roach