•
Crystal Starr (voiced by
Tress MacNeille) - The protagonist of the series, who leads the Moondreamers and designs the stars. •
Whimzee (voiced by
B.J. Ward) - A Moondreamer who uses her imagination to create dreams for Dreamcasting. •
Celeste - Her job is to ride on Galaxia and bring nighttime to earth so that dreams can begin to be sent out. •
Galaxia - Celeste's magical space
dragon with feather-like wings. •
Sparky Dreamer - A brainy MoonDreamer who is often stuck fixing the mistakes of the other Moondreamers. •
Dream Gazer (voiced by
Jennifer Darling) - The eldest MoonDreamer, she is considerably older than the other members and is the wisest. She has a star tattooed over her left eye and has a very wistful voice. She stirs all the different ingredients that make dreams into a secret recipe called the imagination combination. •
Bucky Buckaroo (voiced by Adam Carl) - A Moondreamer who takes the dream crystals to the stars on his favourite comet, Halley. In "Bucky's Comet", he's shown to have a crush on Crystal. •
Blinky and
Bitsy (voiced by Robin Kaufman and Elizabeth Lyn Fraser) - Two little Moondreamers in training, they are young girls who want to help the Moondreamers, but often get in the way. Blinky is quite outgoing while Bitsy is shown to be very shy. •
Ursa Major (voiced by
Tress MacNeille) - A flying
polar bear who is Blinky's companion. •
Roary (voiced by
Neil Ross) - A flying
lion who is Bitsy's companion. •
Snoozers - Helpers of the Moondreamers •
Stardust - The lead Snoozer who sprinkles stardust in the eyes of wide awake children. •
Dozer - A constantly sleepy Snoozer who quiets the night with his earmuffs. •
Stumbles - A clumsy Snoozer who silences bumps in the night. •
Frolic - A Starfinder who explores the uncharted universe. He is accompanied by a
peacock named Fluffin. •
Stardust - A Starfinder who looks for lonely planets that need stars. He is accompanied by a
ram named Hornsby. •
Dawn - A Sunfinder who searches for the sun to start the morning. He is accompanied by a
rabbit named Bunnyhop. •
Dusky - A Sunfinder who places the sun at the spot where it is supposed to set. He is accompanied by a
dog named Sunscout. •
Sundazzle - A Sunsparkler who polishes the sun. •
Fundreamer - A Sunsparkler who creates happy dreams for children. •
Daystar - A Sunsparkler who supervises every sunny day. •
Cloudpuff - A Sunsparkler who makes the designs of the clouds. •
Ursa Minor (voiced by Melanie Gaffin) - Ursa Major's mischievous niece.
Villains •
Queen Scowlene (voiced by
Tress MacNeille) - The primary antagonist of the series who lives in Monstrous Middle. She is the mother of Scowlette. Scowlene hasn't slept a wink and has plans to take over Starry Up so that she could keep everyone up at night. In "The Poobah of Pontoon," it is revealed that Scowlene's older brother is the Poobah of Pontoon making him Scowlette's uncle. •
Princess Scowlette - The daughter of Queen Scowlene, who seems to be about the same age as Whimzee and lives with her mother. She often tries to destroy the Moondreamers in order to impress her mother, though it never works out. •
Professor Grimace (voiced by
Clive Revill) - A
mad scientist who helps Queen Scowlene with her plans by inventing machines that would go horribly wrong. •
Igon (voiced by
Peter Cullen) - A three-legged
troll-like creature who acts as Professor Grimace's lab assistant. •
Sleep Creeps - The minions of Queen Scowlene. •
Shiner - A Sleep Creep who wakes children with his flashlight. •
Creaky - A Sleep Creep who fills the night with creaks and groans. •
Squawker (voiced by
Tress MacNeille) - A Sleep Creep who makes loud noises that keep people awake. ==Episodes==