53861
He appeared with Norma Shearer in " The Student Prince in Old Heidelberg " ( 1927 ) and with Joan Crawford in " Across to Singapore " ( 1928 ) .
 Norma Shearer, Joan Crawford
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Norma Shearer, Joan Crawford