- Mckenna Grace - Veronica
- Leeann Ross - Claire Driscoll
- Nasim Pedrad - Miss Genevieve
- Gabriel Bateman - Jack
- Arjun Athalye - Ronald
- Tim Heidecker - Dale
- Riki Lindhome - Bonnie
- Parvesh Cheena - Ronald Gusberg Sr.
- Henry Thomas - Crazy Chris
- Rajani Nair - Gloria
- Rachel Marsh - Fiona
- Jy Prishkulnik - Luna
- Megan Stott - Olivia
- Sally Pressman - Brook
- Elisha Henig - Graham
- Marcelle LeBlanc - Jade
- Camryn Jade - Chloe
- Max Bickelhaup - The Squeamber
- Izabela Vidovic - Lily
- Christine Ko - Ms. Fausse
- Jordan Sherley - Carmen
- Leela Owen - Harper
- Connor Christie - Ben
- Lexi Underwood - Ella
- Kate Baldwin - Vivian
- Ben Gleib - Oscar
- Jackson Geach - Raymond
- Emily Marie Palmer - Rosie
- Cyrus Arnold - Trevor Larkin
- Cedric Joe - Sam
- Malcolm Barrett - Andy
- Jack Gore - Mason
- Christine Adams - Jenny
- Rosalyn R. Ross - Fake Mom
- Kenneth Israel - Fake Dad
- Jackson Tessmer - Tommy Munson
- Logan Evan Gray - Little Trevor
- Marco Schittone - Jasper
- Lauren Lindsey Donzis - Heather
- Pierce Lackey - Norman
- Catherine Dyer - Mazie
- Charlene Amoia - Principal Grace
- Richard Hempton - Mr. Euvrard
- Kennedy Chanel - Robin
- Jasmyn Renee Coleman - Mary
- Mabel Tyler - Worker Girl
- Spence Maughon - Mr. Welch
- Matt Skollar - Random Neighbor
- William Tokarsky - Floating Head
- Sarah Borne - Madison
- Will Kindrachuk - Emilio
- Gabriella Garcia - Gemma
- Hannah Kepple - Lianne
- David Lengel - Mr. Barnett
- Elizabeth Pan - Mom
- Kenny Alfonso - Dad
- Juliana Cifuentes - Social Climber
- Yizhi Zhou - Photographer
- Phil LaMarr - Black Cat (voice)
- Morgane Bensadoun - Female Student
- Kaycie Lee - Teen Brook
- Parker Cutright - Aaron
- Najah Bradley - Mrs. Johnson
- Kelsey Caesar - Scott
- Lynn Wanlass - Mrs. Lipton
- Mila Harris - Aspen
- Kaylan Montgomery - Blair
- Holly Morris - Mrs. Renton
- Matt Burke - Mr. Renton
- Kenneth Trujillo - Mr. Kramer
- Sharon Freedman - Room Manager
- Triston Dye - Partier #1
- Bryan Alvarado - Partier #2
- Paul Anthony Lee - Mirror Boy #1
- Graham Stewart - Mirror Boy #2
- Kai McAlvin - Mirror Girl #1
- Jemileen Vasquez - Mirror Girl #2
- Apple Gin - Mirror Girl #3
- Valerie LeBlanc - Dolores
- Maia Moss-Fife - Ella's Mom
- Claire Andres - Zoe
- Olivia DeAmicis - Sophia
- Terri James - Ms. Cornish
- Arden Dalia - Sydney
- Terrence Clowe - Tour Guide
- Elijah Forbes - Boy
- Darryl L. Dillard - Ella's Dad
- Henry Shepherd - Evan Burger
- Kwajalyn Brown - Principal Angela
- Spencer Fitzgerald - Hudson
- Sandra Ellis Lafferty - The Old Woman
- Kurt Yue - Mr. Hartsburg
- Kimberly Banta - Gardener
- Amy Parrish - Janice
- Smera Chandan - Maria
- Yanni Kitas - Ricky
- David de Vries - Rick Larkin
- Lindsay Lamb - Kendra Larkin
- Athena McDowell - Mail Lady
- Wes Watson - Dodgeball Kid
- Irene Kim - Girl with Glasses
- Gage Magosin - Bathroom Boy #1
- PJ McDonnell - Busker
- Montrel Miller - Painter
- R.L. Stine
- Aaron Schmidt
- David Katzenberg
- Seth Grahame-Smith
Mckenna Grace interpreta a Veronica en la serie.
Leeann Ross hace el papel de Claire Driscoll.
Nasim Pedrad hace el papel de Miss Genevieve.
Gabriel Bateman hace el papel de Jack.
Arjun Athalye interpreta a Ronald en la serie.
Tim Heidecker interpreta a Dale en la serie.
Riki Lindhome interpreta a Bonnie en la serie.
Parvesh Cheena interpreta a Ronald Gusberg Sr. en la serie.
Henry Thomas hace el papel de Crazy Chris.
Rajani Nair hace el papel de Gloria.
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