Wittrock will play Guy Gardner, one of the many Green Lantern characters that will be featured in the big-budget drama from exec producer Greg Berlanti and Warner Bros.
Sources say Berlanti’s camp had a conversation with Ryan Murphy as Wittrock is attached as the male lead on season two of the latter creator’s Ratched drama for Netflix.
Casting for Alan Scott is also expected to be announced shortly as a deal with an actor is on the cusp of closing.
Berlanti, Seth Grahame-Smith are credited as writers on the series, with the Grahame-Smith set as showrunner on Green Lantern.
There’s also a Suicide Squad spinoff focused on Peacemaker also being developed, as well as a series about the Gotham City police department that also has ties to Matt Reeves’ forthcoming The Batman.
His credits include Judy, If Beale Street Could Talk, The Big Short and in Murphy’s American Crime Story: The Assassination of Gianni Versace and The Normal Heart.