Un mystérieux chevalier vert fait irruption lors de la fête d'anniversaire de Finn...
Finn the Human (voice)
Jake the Dog (voice)
Ice King (voice)
Princess Bubblegum (voice)
Marceline the Vampire Queen (voice)
BMO / Lady Rainicorn (voice)
Lumpy Space Princess (voice)
Tree Trunks (voice)
Huntress Wizard (voice)
