First English speaking role of Lee Jung-jae, a native South Korean. When he was offered the role of Master Sol, he only had four months to learn English. By the time filming began, he had learned enough to perform his lines.
This series takes place in the final days of The High Republic era roughly 100 years before the events of Star Wars: Episode I - The Phantom Menace (1999).
Amandla Stenberg is an accomplished violinist and performs on the score of the series using her grandfather's violin. She was given specific violin arrangements to perform by John Williams.
Vernestra Rwoh, who is played by Rebecca Henderson, makes her live-action debut in this series. She had previously appeared in books and comics that are set in the High Republic era. Leslye Headland confirmed that Vernestra would be the only known character of the High Republic, and she had expressed plans to add more in a possible second season.
Features the first live-action appearance of cortosis, a rare gem in the Star Wars universe that has the ability to disrupt lightsaber blades without damaging the hilt. Despite that ability, it's not as durable as beskar.