Guest Stars Hayden Christensen as Darth Vader James Earl Jones voices Darth Vader Moses Ingram as Inquisitor Reva Vivien Lyra Blair as Princess Leia Organa Rupert Friend as The Grand Inquisitor Jonathan Ho as Jedi Youngling Oliver Ho as Jedi Youngling Maya Erskine as Sully Yonas Kibreab as Jedi Youngling Jimmy Smits as Bail Organa Kumail Nanjiani as Haja Estree Grant Feely as Luke Skywalker O'Shea Jackson, Jr. as Roken Ayaamii Sledge as Jedi Youngling Marisé Alvarez as Nyche Aiden Arnold as Jedi Youngling Mila Lanin as Jedi Youngling Indie Desroches as Corran Joel Edgerton as Owen Lars Simone Kessell as Breha Organa Bonnie Piesse as Beru Lars Crispian Belfrage as Devastator Captain Heath McGough as Foreman Groff Ditcher Hossein Mardani as Dardin Shull Ian McDiarmid as Emperor Palpatine Uncredited Liam Neeson as Qui-Gon Jinn