53994
Normally , when a star walked out , the time he or she was absent was added onto the end of an already long contract , as happened with Olivia de Havilland and Bette Davis .
 Olivia de Havilland, Bette Davis
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Olivia de Havilland, Bette Davis