Zeke [Billy Dilleys Super-Duper Subterranean Summer] as Taran
Lily The Witch as Princess Eilonwy
Malsquando [Dave The Barbirian] as The Horned King
Lord Starchbottom [The 7D] as Fflewddur Fflam
Wander [Wander Over Yonder] as Gurgi
Ford Pines [Gravity Falls] as Dallben
Tom Cat [Chuck Jones] as Dallben 's Cat
Hen-Wen - Rainbow Dash [My Little Pony Friendship is Magic]
Cosmo [Fairy OddParents] as King Eiddileg
Mr. Woop Man as Doli
The Spy From Apartment 8-I [Welcome To The Wayne], The Witch [2 Stupid Dogs] and Hildy Gloom [The 7D] as Orddu, Orwen and Orgoch
Rat [The Modifyers] as Creeper
Black Hat [Villainous], Lord Boxman [OK K.O. Let's Heroes Be], Professor Tite-Gripp [Atomic Puppet], Aku [Samurai Jack], Bendy [Foster's Home For Imaginary Friends], Toffee [Star Vs. The Forces of Evil], Shapeshifter [The 7D], Nergal and Jack O'Lantern [The Grim Adventures of Billy and Mandy], Krad [Christmas is Here Again] and Storm King [My Little Pony The Movie] as The Horned King 's Thugs
Newt [Pirate Express], Ami Onuki [Hi Hi Puffy AmiYumi] and Dipper Pines [Gravity Falls] as Fairolk Children
Bloo and Mac Foster [Foster 's Home For Imaginary Friends], Razmo [Ratz], Lincoln Loud [The Loud House], Chowder, Rob The Robot [R.O.B.], Anabel, Bernie [Zig and Sharko], Mole [The Modifyers] and Steven Universe
Velociraptors [Dinosaurs] as Gwythaints
Sharptooth [The Land Before Time] as Dog
Mavis [Hotel Transylvania] as Gypsy
The Amoeba Boys and Gangreen Gang [The Powerpuff Girls] and as