• Jason Bourne as Finn
  • Marie Helena Kreutz as Fionna
  • Alexander Conklin as Jake
  • Ward Abbott as Starchy
  • The Professor as Ice King
  • Nykwana Wombosi as Beemo
  • Danny Zorn as Donut Guy
  • Nicolette Parsons as Princess Bubblegum
  • Research Tech #1 as Duke of Nuts
  • Research Tech #2 as Chet
  • Giancarlo as Flambo
  • Eamon as Jeramine

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