The following directory outlines the primary cast members, their character identities, supernatural factions, and their dramatic functions within the first season.
| Actor | Character | Faction / Species | Primary Role in Season 1 |
|---|---|---|---|
| Jenna Ortega | Wednesday Addams | Outcast (Psychic) | Protagonist; amateur sleuth investigating Jericho murders |
| Emma Myers | Enid Sinclair | Outcast (Werewolf) | Wednesday’s roommate; moral center; eventual Hyde fighter |
| Gwendoline Christie | Larissa Weems | Outcast (Shapeshifter) | Principal of Nevermore; former classmate of Morticia |
| Hunter Doohan | Tyler Galpin | Outcast (Hyde) | Townie barista; love interest; secret monster executing killings |
| Christina Ricci | Marilyn Thornhill / Laurel Gates | Normie (Pilgrim Descendant) | Botany teacher; Hyde handler orchestrating Crackstone's return |
| Joy Sunday | Bianca Barclay | Outcast (Siren) | Nevermore top student; rival turned instrumental ally |
| Percy Hynes White | Xavier Thorpe | Outcast (Psychic Artist) | Troubled painter; frame-up victim; Wednesday's suitor |
| Jamie McShane | Donovan Galpin | Normie | Jericho sheriff; Tyler's father; bitter rival to Gomez Addams |
| Moosa Mostafa | Eugene Otinger | Outcast (Apimancer) | Bee club president; surrogate brother figure to Wednesday |
| Victor Dorobantu | Thing | Sentient Appendage | Addams family scout; Wednesday's partner-in-crime |
