2702
Arnold Leibovit served as executive producer and Simon Wells , the great-grandson of the original author , served as director .
 Arnold Leibovit, Simon Wells
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:
 Arnold Leibovit, Simon Wells