Anna Kendrick as Poppy (voice)

Justin Timberlake as Branch (voice)

Ron Funches as Cooper (voice)

Rachel Bloom as Barb (voice)

James Corden as Biggie (voice)

Kelly Clarkson as Delta Dawn (voice)

Anderson .Paak as Prince D (voice)

Sam Rockwell as Hickory (voice)

George Clinton as King Quincy (voice)

Mary J. Blige as Queen Essence (voice)

Kenan Thompson as Tiny Diamond (voice)

Kunal Nayyar as Guy Diamond (voice)

Caroline Hjelt as Chenille (voice)

Aino Jawo as Satin (voice)

J Balvin as Tresillo (voice)

Flula Borg as Dickory (voice)

Ester Dean as Legsly (voice)

Jamie Dornan as Chaz (voice)

Gustavo Dudamel as Trollzart (voice)

Ozzy Osbourne as King Thrash (voice)

Anthony Ramos as King Trollex (voice)

Karan Soni as Riff (voice)

Charlyne Yi as Pennywhistle (voice)

JOY as Ari (voice)

YERI as Kim-Petit (voice)

IRENE as Baby Bun (voice)

SEULGI as Gomdori (voice)

WENDY as Wani (voice)

Zooey Deschanel as Bridget (voice)

Christopher Mintz-Plasse as King Gristle (voice)

Kevin Michael Richardson as Mr. Dinkles (voice) / Mr. Dinkles God (voice) / Growley Pete (voice) / Sid Fret (voice)

Walt Dohrn as 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 as Country Music Rooster (voice) / Desert Sun (voice) / Eighth Goats (voice) / Licky Bug (voice) / Scrapbook Troll (voice)

Da'Vine Joy Randolph as Bliss Marina (voice) / Sheila B the Flowerface Balloon (voice)

Justin McElroy as Beat Drop Button (voice) / Tumbleweed (voice) / Skyscraper Troll (voice)

Griffin McElroy as Country Music Tear (voice) / Skyscraper Troll (voice)

Travis McElroy as Rocker Tear (voice) / Skyscraper Troll (voice)

Betsy Sodaro as Clampers Buttonwillow (voice)

Marcella Lentz-Pope as Carol (voice)

Berenice Amador as Marimba (voice)

Jamila Hache as Tambora (voice)