Anna Kendrick
Poppy (voice)
Justin Timberlake
Branch (voice)
Ron Funches
Cooper (voice)
James Corden
Biggie (voice)
Kelly Clarkson
Delta Dawn (voice)
Anderson .Paak
Prince D (voice)
Sam Rockwell
Hickory (voice)
George Clinton
King Quincy (voice)
Mary J. Blige
Queen Essence (voice)
Kenan Thompson
Tiny Diamond (voice)
Kunal Nayyar
Guy Diamond (voice)
Caroline Hjelt
Chenille (voice)
Flula Borg
Dickory (voice)
Gustavo Dudamel
Trollzart (voice)
Ozzy Osbourne
King Thrash (voice)
Anthony Ramos
King Trollex (voice)
Charlyne Yi
Pennywhistle (voice)
Zooey Deschanel
Bridget (voice)
Christopher Mintz-Plasse
King Gristle (voice)
Kevin Michael Richardson
Mr. Dinkles (voice) / Mr. Dinkles God (voice) / Growley Pete (voice) / Sid Fret (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)
David P. Smith
Country Music Rooster (voice) / Desert Sun (voice) / Eighth Goats (voice) / Licky Bug (voice) / Scrapbook Troll (voice)
Da'Vine Joy Randolph
Bliss Marina (voice) / Sheila B the Flowerface Balloon (voice)
Justin McElroy
Beat Drop Button (voice) / Tumbleweed (voice) / Skyscraper Troll (voice)
Griffin McElroy
Country Music Tear (voice) / Skyscraper Troll (voice)
Travis McElroy
Rocker Tear (voice) / Skyscraper Troll (voice)
Betsy Sodaro
Clampers Buttonwillow (voice)
Marcella Lentz-Pope
Carol (voice)
Berenice Amador
Marimba (voice)
Jamila Hache
Tambora (voice)