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During this time , she received credit on a number of episodes , including Wil Wheaton 's final episode as a regular character , ( " Final Mission " ) ; the episode that introduced the Cardassian race , which featured heavily in Star Trek : Deep Space Nine ; ( " The Wounded " ) ; and the first of a two-part episode featuring Spock , ( " Unification " ) .
 Wil Wheaton
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Wil Wheaton