101520
The film also stars Sigourney Weaver and Rick Moranis , and features Annie Potts , William Atherton , and Ernie Hudson in supporting roles .
 Sigourney Weaver, Rick Moranis, Annie Potts, William Atherton, Ernie Hudson
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:
 Sigourney Weaver, Rick Moranis, Annie Potts, William Atherton, Ernie Hudson