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• Kimiko Glenn as Horse, a brave warhorse who is separated from her rider and ends up in the magical dimension called Centaurworld. Horse loses her armour and becomes more cartoonish due to exposure to Centaurworld’s atmosphere, though this causes her to have access to magic.
  • Glenn's other voices include a "cataur" (cat centaur) named Madame Jelly who uses a cat piano in the sash competition, the "leaftaur" (leaf centaur) baby, and Horsatia, a wealthy horsetaur whom Horse masquerades as during her trip to the Horsetaur Kingdom.
• Megan Hilty as Wammawink, a motherly alpaca centaur who lived in Centaur Valley before accompanying Horse on her journey. She is initially overprotective of her herd and occasionally goes too far in her protection, but deep down she believes her herd can work on their own.
  • Hilty's other voices include Shar (one of the Glitter Cats), the "leaftaur" mom, a "catfishtaur" (catfish centaur), occasional Moletaur backup singing, and the Killer Whaletaur.
  • Sophia Lewis voices Baby Wammawink.
• Parvesh Cheena as Zulius,^[8] a flamboyant and effeminate zebra-like centaur who has the power to magically shapeshift his mane. Zulius also has the ability to slow down time to comment on the current events, which greatly injures everyone around him.
  • Cheena also occasionally performs as part of the Moletaur backup singers in songs they're in.
• Chris Diamantopoulos as Ched,^[8] a cynical and belligerent finch-like centaur. He harbors a grudge against Horse. Additionally, he has a great fear of a creature he calls the “dentist”, who allegedly had an affair with his mother during his childhood.
  • Diamantopoulos also voices the "hyenataur" (hyena centaur), Pawter, Zimples, Sean-Anemone, the Rutabagataurs (non-singing), Horsatio (Horsatia’s husband), the Narwhaltaur, Moletaur backup in Holes: Part 3, the Leaftaur King, a "gophertaur" (gopher centaur), and Guskin.
  • Roman Engel voices Young Ched.
• Megan Nicole Dong as Glendale,^[8] a neurotic and kleptomaniacal gerenuk-like centaur who can store an infinite amount of objects in a portal hidden in her stomach.
  • Dong also voices Kale (one of the Glitter Cats), occasional Moletaur backup singing, and "Figure 2", a young human female who tries to steal some apples from Rider.
  • Isabella Russo voices Young Glendale.
• Josh Radnor as Durpleton,^[8] a naive and friendly giraffe-like centaur. He is the gentlest of the herd. He acts erratically.
  • Andy Walken voices Young Durpleton.
• Jessie Mueller as Rider,^[8] a human warrior and Horse's best friend tasked with returning a magical artifact to her general to save the world from an invading horde of minotaurs.
  • Mueller's other roles are Pliptoria, the Moosetaur (Laroub) and the Walrustaur (LaCroiv), McCarpy, and a female soldier.

Supporting

• Renée Elise Goldsberry as Waterbaby, a hippopotamus-like centaur and one of the shamans in Centaurworld and mentor to Wammawink.
  • Goldsberry also voices the medic in "The Ballad of Becky Apples".
• Tony Hale as Durpletoot, the voice given to Durpleton's flatulence after his wish is granted by the Tree Shamans. The flatulence’s purpose is, presumably, to heal Durpleton’s childhood trauma.
  • Hale also voices Tony Durpleton, Durpleton's father.
• Carl Faruolo as Gebbrey, a paranoid and emotionally fragile ficus-taur on two legs. He is in constant search of his missing coat, as without it he suffers from extreme cold.
  • Faruolo also voices Barnus (a barnacle with a loud voice), a message bird, a worker man, and Henchman 1.
• Lea Salonga as the Mysterious Woman, a human roaming Centaurworld with magical abilities.
• First Aid Kit as The Tree Shamans, a pair of wish-granting tree-like centaurs who are two of Centaurworld's shamans. They grant the herd not specifically what they want, but what they need, and as such they turn Ched into a horse, make Durpleton’s flatulence speak, and help Horse gain backstory magic.
• Flula Borg as Comfortable Doug, a mole-like centaur. He normally does not help the herd and is submissive and often flat-out resents them, much to their displeasure. He often talks in a monotone and is quite submissive.
  • Borg also voices a message bird in "The Ballad of Becky Apples".
• Paul F. Tompkins as Horse's tail. After Horse was affected by the magic of Centaurworld, it developed sentience and a penchant for wisecracking.
  • Tompkins also voices a human in a flashback with Tail's voice, a Yaktaur and one of the Trashtaurs, the rock music-loving Centaurs created by pollution.
• Santigold as Judge Jacket, a star-nosed mole-like centaur and leader of the mole centaurs. She is one of the shamans in Centaurworld.
• David Johansen as Beartaur, who lives in a cave and makes/collects figurines and dioramas of past battles.
• Fred Armisen as Splendib, a tiger-like centaur.
  • Armisen's other roles include a "cataur" named Bimbam, The Duchess Malangella's psychotic grandson Malandrew, and a message bird in three episodes.
• Adewale Akinnuoye-Agbaje as Johnny Teatime, a kitten-like centaur, one of Centaurworld's shamans.
  • Akinnuoye-Agbaje also voices Zork Presto.
• Jamie Cullum as Sunfish Merguy, a sunfish-like centaur, also called a merman, who runs a boardwalk amusement park.
• Rosalie Craig as the Whaletaur Shaman, the last shaman of Centaurworld.
• Brian Stokes Mitchell as the Nowhere King, an evil, sadistic, and monstrous creature that created the minotaurs to wage war upon the human world and Centaurworld. Mitchell also voices the Elktaur.
• Brian d'Arcy James as The General, the commander of the human forces.
• Dee Bradley Baker as Phillip J. "Stabby" Bonecrunch, a lizard-like monster from the human world.
  • Baker's other roles include the Muskoxtaur (Kwhass-ón), the "puffintaurs" (puffin centaurs), "wormtaurs" (worm centaurs), a "gophertaur", some minotaurs, and Baydenbeast.
• Maria Bamford as The Duchess Malangella, a traditional centaur aristocrat.
  • Bamford also voices the Duchess' Maître d', and the Opossumtaur.
• Colleen Ballinger as Crandy, a "birdtaur" (bird centaur) influencer
  • Ballinger also voices a message bird and the basket woman.
• Scott Hoying as Mouthpiece, a pelican "birdtaur" who is a devoted fan.
• Grey Griffin as Old Man,^[9] another "birdtaur" fan.
  • Griffin also voices Bayden, Hanglydangly, and the lone survivor in "The Ballad of Becky Apples".
• Donna Lynne Champlin as the Prairiedogtaur.
• Wendie Malick as Gurple Durpleton, Durpleton's mother^[10]
• Fred Tatasciore as Badgertaur
• Dominic Bisignano as "Figure 1", a young human male that tries to steal some apples from Rider. Bisignano also sings as Sunfish Merguy on the soundtrack album.
• A number of different background singers with semi-prominent choir roles:
  • Toby Chu, who also sings for the Rutabagataurs, and the "keytaur" (keytar centaur).
  • Randy Crenshaw
  • Allie Feder
  • Fletcher Sheridan
  • Baraka May
  • Sarah Mann
  • Eric Peterson

Series overview

Season 1 (2021)

Season 2 (2021)

Season 1

Note: The song "Everyday", from the episode "Johnny Teatime's Be Best Competition: A Quest for the Sash", does not appear on the album.

Season 2

Awards and nominations