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Born Melody Pond , River is the daughter of the Eleventh Doctor 's companions Amy Pond ( Karen Gillan ) and Rory Williams ( Arthur Darvill ) , alongside whom Kingston had appeared several times in series five ( 2010 ) .
 Karen Gillan, Arthur Darvill, Kingston
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Karen Gillan, Arthur Darvill, Kingston