Star Wars - The Last JediMaya Kaathryn Bohnhoff, Michael ReavesStar Wars Legends: Novels

Characters in Star Wars - The Last Jedi

4 characters, main characters first.

Main characters

Jax Pavan

Antagonists

Darth Vader
Also in Star Wars - Dark Lord - The Rise of Darth Vader, Star Wars - Death Star, Star Wars - Shadows of the Empire, Star Wars - Tatooine Ghost, The Truce at Bakura
Emperor Palpatine
Also in Star Wars - Death Star, Star Wars Episode III - Revenge of the Sith, Star Wars - Shadows of the Empire, Star Wars - Tatooine Ghost, Star Wars - The Approaching Storm

Supporting characters

I-Five