Last summer, we learned of DC Studios' plans for an animated adaptation of Tom King and Mitch Gerads' Mister Miracle. King will serve as showrunner on the series, which suggests the story will stick closely to the Eisner Award-winning comic.
DC Studios co-CEO James Gunn has repeatedly said that actors who play DCU characters in animation will reprise their roles in live-action, and Mister Miracle's canon status has since been confirmed (Nathan Fillion will return as Guy Gardner in the show, despite not appearing in the comic).
King has confirmed the show's leads have been cast, and two of them may have been revealed: She-Hulk: Attorney at Law star Jameela Jamil and Detective Pikachu's Justice Smith.
There's currently no mention of who they're playing, but it's safe to assume they could be the DCU's Big Barda and Scott Free. Jamil previously played the formidable Titania in the MCU, while a role like this would give Smith the chance to show his dramatic chops.
@MyTimeToShineH was the first to share the news, but cautions that it may not be correct. Take it with a pinch of salt for now, but here's hoping this leads to us getting an official announcement soon (especially with Darkseid...