• Toby Thompson as Finn
  • Mr. Bill Thompson as Duke of Nuts
  • Mrs. Jane Thompson as Princess Bubblegum
  • Stacey Thompson as Ice Cream Lady
  • Dr. Noseworthy as Donut Guy
  • Helvetica Black as Marceline
  • Colbert "Cole" Black as Flambo
  • Mr. Carbon Black as Ice King
  • Loogie Short as The Lich
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