20639
The science fiction movie starred Barbara Bach , and was under the direction of Sergio Martino .
 Barbara Bach, Sergio Martino
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:
 Barbara Bach, Sergio Martino