158451
The episode guest stars Ron Perlman as the Lich , Kumail Nanjiani as Prismo , Ming-Na as Farmworld Finn 's mother , and Cloris Leachman as Farmworld Marceline .
 Ron Perlman, Kumail Nanjiani, Cloris Leachman
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ron Perlman, Kumail Nanjiani, Cloris Leachman