Tulip Olsen (voice) / Mirror Tulip "MT" (voice)
Sad-One (voice) / Frank (voice)
Glad-One (voice) / Mask Monster (voice)
Grace (voice) / Voice 3 / Mail Lady (voice)
Simon (voice) / Voice 4 / Playbill / Spotlight / Tragedy Mask (voice)
Jesse (voice) / Fyodor / Apex Raider 2 (voice)
Hazel (voice)
Min-Gi (voice)
Ryan (voice)
The Cat (voice)
Atticus (voice)
Agent Mace (voice)
Monster Atticus (voice) / Ghoms (voice)
Agent Sieve (voice)
Tuba (voice)
Randall / Balloon Randall (voice)
Comedy Mask (voice) / Wilbur Gillicutty / Seth Trundleshank / Boy Quadruplets (voice)
Friend (voice) / Kevin / Soldier Turtle (voice)
Megan Olsen (voice)
Nate (voice)
Mikayla / Dolphin Handler / Ugly Irwin (voice) / Mikayla (voice)
Little Badger Boy / Badger Mother (voice) / Nancy (voice)
Alrick (voice) / Aloysius (voice)
Andy Olsen / Harry The Bike Guy (voice) / Andy Olsen (voice)
