Annie Edison
Mary Elizabeth
Ella
Rebecca Walters
Grace
Claire Wellington
Darcy
Suzie Barnes
Beth
Heather Toy
Unikitty (voice)
Tanya Sellers
Amber
Elizabeth
Self
Lainey Dalton
Lucy Sherrington
Alissa
Ms. Bradlee
Lucy
Gigantosaurus
Rachel
Lynn Vogel
Sister Alessandra
Lally Graham
Unikitty / Ultrakatty (voice)
Michelle
Madison
Sarah
Sloane
Unikitty (voice / uncredited / archive footage)
Ally
Evil-Lyn
Trudy Campbell
Nina
Planetina (voice)
Rebecca Fuller
Diane Nguyen / Vincent Adultman / Kevin / Samantha The Food Critic / Olivia / Joelle Clark / Otter / Cow Waitress / Sarah Lynn's Assistant / Ship Co-Captain / Golden Snowflake Announcer / Nurse / Waitress / Cow Waitress / Announcer (voice)
Alison Brie
Ruth Wilder
Self - Guest
Self - Judge
Rebecca Moss
(voice)
Self - Additional Guest
Miss Dunstable
Miss Martha Dunstable
Lindsay (voice)
Aftershock (voice)
Amy Delaney
Diane Nguyen / Diana the Princess of Wales (voice)