The upcoming Green Lantern series on HBO has landed its latest cast member. Lanterns will feature veteran actor Jason Ritter in a supporting role that may prove to be a key part in the season. According to The Hollywood Reporter,

As 'Lanterns' begins filming, it has been reported that 'Matlock' star Jason Ritter is set to join the DCU in a mysterious role.

Ritter currently stars alongside Katky Bates in CBS’ Matlock and has a guest role in the forthcoming second season of Peacock’s Poker Face. His recent credits also include Netflix’s Raising Dion, Hulu’s miniseries Candy and voice work on Krapopolis and Gen V. He is repped by The Burstein Company and Gersh.

Jason Ritter is set for a key recurring role in Lanterns, HBO ’s drama series based on the Green Lantern DC comic. He joins leads Kyle Chandler and Aaron Pierre and series regular Kelly MacDonald.

HBO and DC Studios’ upcoming Green Lantern series Lanterns has made a new addition to its cast. Joining Aaron Pierre (Rebel Ridge) and Kyle Chandler (Godzilla: King of the Monsters) in the series i (Parenthood).

Nicole Ari Parker has joined the cast of Chris Mundy, Damon Lindelof, and Tom King's Aaron Pierre and Kyle Chandler-starring series Lanterns.

The eagerly awaited HBO series Lanterns, which is based on DC Comics' Green Lantern universe, has cast Jason Ritter in a recurring role.

According to the show’s official logline, Lanterns follows new recruit John Stewart and Lantern legend Hal Jordan, two intergalactic cops drawn into a dark, earth-based mystery as they investigate a murder in the American heartland. The story will unfold over eight episodes that will air on HBO and stream on Max.

HBO officially picked up “Lanterns,” the first live-action series created expressly for DC Studios under co-chairmen/co-CEOs James Gunn and Peter Safran, in June. The series was given an eight-episode, straight-to-series order by HBO, with Chris Mundy (“True Detective: Night Country,” “Ozark”) serving as showrunner and exec producer.