Amanda Leighton as Queen Poppy, the sweet and optimistic Queen of the Pop Trolls who came up with the TrollsTopia experiment.
Skylar Astin as Branch, an over-cautious, but good-hearted survivalist Pop Troll and Poppy's best friend.
Lauren Mayhew as Val Thundershock, the ambassador representing the Hard Rock Trolls who resides in Rock Hollow.
Charles Dewyane as Demo, a Hard Rock Troll and Val's band manager.
Megan Hilty as Holly Darlin’, the ambassador representing the Country Western Trolls who resides in Country Corral.
Eric Lopez as Gust Tumbleweed, a Country Western Troll and the sheriff of Country Corral.
JP Karliak as Dante Crescendo, the royal composer and the ambassador representing the Classical Trolls who resides in Classical Crest.
Jeanine Mason as Minuet Sonata, a Classical Troll who plays the violin and a friend of Dante.
Michael-Leon Wooley as Lownote Jones, the ambassador representing the Funk Trolls who resides in Vibe Town.
Kat Graham as Rhythm & Blues, twin Funk Trolls who are scientists and inventors.
Vladmir Caamanõ as Synth, the ambassador representing the Techno Trolls who resides in Techno Lagoon.
Anita Kalathara as Laguna Tidepool, an intelligent Techno Troll "antrollogist".
List of episodes
- The Buddy System/Kick-Off Party
- Bring It In/Branch Out of Water
- The Ballad of Holly Darlin'/Across the Fashionverse
- Manager Poppy/The Snug-a-Lug Situation
- Girls Night/Cloud Control
- Classical Rock/Buckin' Branch
- Rhythm & the Blues/Mouth Guitar
- Glitter Rush/Laguna Tidepool & the Lost Game Room
- Cheery Glo-Mato/Highly Amused
- The Makeunder/Smidge in the Saddle
- Extra Tootering/The Last Scrapbook
- Darlin 'Dos/Bad Hair Day
- Cakes on a Train/It's Dad-urday
- Smooth Operator/FUNtography Day
- Hopscotch Extreme/The Funk Wash
- Hair Fracture/Palentine's Day
- The Party Pooper/My Dinner with Dante
- Hairicane/Piney & Lord Prickles
- Potluck Poppy/Blaze and the Blazing Blazes
- Clash of the Battle Piñatas/R&B in R&D
- Disgruntle Weeds/Extreme Sleepover Club: Spooky Edition!
- Surprise-O-Tron/Dante the Entertainer
- Surprising Gust/Daylight Ravings Time
- Nowhere to Fun, Nowhere to Hide/The Joy Chord
- Wormhole Scavenger Hunt/The Fabyrinth
- Dance Plants/Mini Mini Golf
- Trollection/Bro, Team! Bro!
- The Bunker Sitter/Domin-Uh-Ohs
- Shiny Diamond/Flyer's Ed
- Puffalo Express/Merry Cloudmas
- Don't Make Me Laugh!/Hair-aldine: The Musical