Megan Williams as Finn The Human
Lofty as Jake The Dog
Heart Throb as Princess Bubblegum
Magic Star as Marceline The Vampire Queen
Wind Whistler as Ice King
Baby Ribbon as BMO
Lickety-Split as Lumpy Space Princess
Rosedust as Flame Princess
North Star as Lady Rainicorn
Paradise as Martin Mertens
Shady as Betty Grof
Gingerbread as Cinnamon Bun
Sweet Stuff as Peppermint Butler
Scoops as N.E.P.T.R
Baby Sleepy Pie as Gunter
Posey as Tree Trunks
Gusty as Billy
Morning Glory as Susan Strong
Buttons as Abracadaniel
Hydia as Huntress Wizard
Draggle as Magic Man
Baby Heart Throb as Prismo
Weston as Snail
Lavan as Grob Gob Glob Grod
Honeysuckle as King of Ooo
Masquerade as Hunson Abadeer
Mimic as Earl of Lemongrab
Ribbon as Patience St. Pim
Cupcake as Fern
Danny Williams as Uncle Gumbald
Captain Crab Nasty as GOLB
Beezen as The Lich