Anna KendrickPoppy (voice)
Justin TimberlakeBranch (voice)
Zooey DeschanelBridget (voice)
Christopher Mintz-PlasseKing Gristle (voice)
Christine BaranskiChef (voice)
Russell BrandCreek (voice)
James CordenBiggie (voice)
Jeffrey TamborKing Peppy (voice)
Ron FunchesCooper (voice)
Aino JawoSatin (voice)
Caroline HjeltChenille (voice)
Kunal NayyarGuy Diamond (voice)
Quvenzhané WallisHarper (voice)
John CleeseRoi Gristle (voice)
Gwen StefaniDJ Suki (voice)
Iris DohrnBaby Poppy (voice)
Liam HenryYoung Branch (voice)
Glozell GreenGrandma Rosiepuff (voice)
Meg DeAngelisMoxie (voice)
Ricky DillonAspen Heitz (voice)
Kandee JohnsonMandy Sparkledust (voice)
Walt DohrnCloud Guy/Smidge/Fuzzbert/Mr. Dinkles/Tunnel Troll/Wedgie Bergen (voice)
Rhys DarbyBibbly (voice)
Grace HelbigSugar Cookieloaf (voice)
Curtis StoneBergen Guard - Todd (voice)
Mike MitchellDarius / Vinny the Phone / Capt. Starfunkle / Spider / Wedgie Bergen #1 / Chad / Card (voice)
Nina Zoe BakshiBini Troll / Nora Troll (voice)
Zoë CrawfordMcKenzie Troll (voice)
Riley CrawfordSean Troll (voice)
Ollie MitchellOlley Troll (voice)
Emmett MitchellAnxious Troll Child / Keith (voice)
Phoebe DohrnBergen Girl (voice)