Sam Rockwell
Hickory (voice)
Zooey Deschanel
Bridget (voice)
Justin Timberlake
Branch (voice)
Ozzy Osbourne
King Thrash (voice)
Kevin Michael Richardson
Mr. Dinkles (voice) / Mr. Dinkles God (voice) / Growley Pete (voice) / Sid Fret (voice)
Christopher Mintz-Plasse
King Gristle (voice)
Marcella Lentz-Pope
Carol (voice)
James Corden
Biggie (voice)
Kenan Thompson
Tiny Diamond (voice)
Anna Kendrick
Poppy (voice)
Mary J. Blige
Queen Essence (voice)
Charlyne Yi
Pennywhistle (voice)
Walt Dohrn
Cloud Guy (voice) / Death Metal Mr. Dinkles (voice) / Fuzzbert (voice) / King Peppy (voice) / Smidge (voice) / Announcer (voice) / Country Music Baby (voice) / Country Music Farmer (voice)
George Clinton
King Quincy (voice)
Kelly Clarkson
Delta Dawn (voice)
Kunal Nayyar
Guy Diamond (voice)
Ester Dean
Legsly (voice)
David P. Smith
Country Music Rooster (voice) / Desert Sun (voice) / Eighth Goats (voice) / Licky Bug (voice) / Scrapbook Troll (voice)
Γκουστάβο Ντουνταμέλ
Trollzart (voice)
Karan Soni
Riff (voice)
Da'Vine Joy Randolph
Bliss Marina (voice) / Sheila B the Flowerface Balloon (voice)
Jamie Dornan
Chaz (voice)
Ron Funches
Cooper (voice)
Betsy Sodaro
Clampers Buttonwillow (voice)
Rachel Bloom
Barb (voice)
Flula Borg
Dickory (voice)
Joy
Ari (voice)
Anthony Ramos
King Trollex (voice)
Aino Jawo
Satin (voice)
Caroline Hjelt
Chenille (voice)
Anderson .Paak
Prince D (voice)
Irene
Baby Bun (voice)
Justin McElroy
Beat Drop Button (voice) / Tumbleweed (voice) / Skyscraper Troll (voice)
Travis McElroy
Rocker Tear (voice) / Skyscraper Troll (voice)
Griffin McElroy
Country Music Tear (voice) / Skyscraper Troll (voice)
Seulgi
Gomdori (voice)
Wendy
Wani (voice)
Yeri
Kim-Petit (voice)
J Balvin
Tresillo (voice)
Berenice Amador
Marimba (voice)
Jamila Hache
Tambora (voice)