221905
Tahan portrayed Ethan in I Am Legend , appeared in Burning Bright , co-starred with Zac Efron in the 2010 film Charlie St. Cloud , and also lent his voice to Frankenweenie .
 Tahan, Zac Efron, Charlie
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Tahan, Zac Efron, Charlie