Official Cast List
Hal Jordan will be played by Kyle Chandler. This was first announced via TheHollywoodReporter on September 23, 2024.
John Stewart will be played by Aaron Pierre. This was first announced via TheHollywoodReporter on October 9, 2024.
Sheriff Kerry will be played by Kelly MacDonald. She is set to play the towns sheriff and Hal Jordan’s love interest. Deadline, Variety, TheHollywoodReporter reported this on October 30, 2024 at the same exact time of 10 AM EDT.
William Macon will be played by Garret Dillahunt. William Macon is described as a modern cowboy. A self-righteous, conspiracy-minded man who masks his ruthless ambition behind a charming and calculated facade. This was first reported by Deadline on November 1, 2024.
Zoe will be played by Poorna Jagannathan. Zoe, who is effortlessly confident and poised in any setting, even those where she stands out. She is every bit as composed and cunning of the influential men around her. Zoe is rumored to be a love interest for John and is the wife of William Macon. Deadline was first to report this officially on November 15, 2024.
Sinestro will be played by Ulrich Thomsen. Sinestro is a former Green Lantern who turned rogue and is described as ruthless yet undeniably charming. Sinestro’s manipulative nature drives his enduring obsession with his former mentee, Hal Jordan. Deadline was first to report this on January 24th, 2025.
Guy Gardner will be played by Nathan Fillion. The official announcement was share by Variety on March 31, 2025.
Billy Macon will be played by Jason Ritter. Billy Macon is described as “a good-looking charmer who does his father’s bidding. Capitalizing on his family’s reputation, he clings to his small-town ego and has everything to lose.”. This came via Variety on March 14, 2025.
John Sr. ( The Younger Version ) will be played by J. Alphonse Nicholson. Nicholson will be playing the younger version of John Stewarts father in the show. Deadline was first to report the news on March 20, 2025.
John Sr. ( The Older Version ) will be played by Sherman Augustus. Augustus will play John Senior, who is John Stewart’s father and the human embodiment of “stubborn.” In his own reality, he tends to fixate on the past and what could have been. Deadline had the scoop on March 21, 2025.
Young Bernadette ( John Stewart’s Mother ) will be played by Jasmine Cephas Jones. Young Bernadette is described as “Stewart’s resilient mother and forever the family fixer. She is a perceptive, big-picture thinker who demands excellence from herself and her family.” Deadline had the story on March 27, 2025.
Waylon Sanders will be played by Chris Coy. Sanders is described as “an intelligent survivor or a nervous truck driver. Age and real name unknown, he’s unbound by the laws of nature.” Deadline had the story on April 1, 2025.
Antaan will be played by Paul Ben-Victor. Antaan is described as “an extraterrestrial devoted to exposing the truth and exacting vengeance against those who wronged his people. Consumed by a deep and unrelenting hatred for the law, he is determined to deliver justice on his own terms.” Deadline posted this on April 23, 2025.
Young Noah will be played by Cary Christopher. Young Noah is described as “a polite and charming small-town kid. Quite gifted for his age and effortlessly good at whatever he tries, he’s happiest when passing a football.” Deadline posted this article on August 6, 2025.
One final note is that many of the above were originally leaked or teased by NexusPointNews. Sometimes shortly before it was announced by the trades but sometimes well in advance. They deserve their credit but I know many of you readers don’t believe something is official until a Deadline, Variety or THR confirm it.