Scoot McNairy is the latest name to join the Batman vs Superman: Dawn of Justice, according to Deadline.
The movie will see McNairy reunite with Ben Affleck, for the first time since they starred together in Argo.
However, which role McNairy is set to play has not yet been revealed.
Filming has just got underway on Dawn of Justice, and sees Zack Snyder back in the director's chair.
Henry Cavill is also back as Superman, while Affleck will take over the role of Batman for the first time.
Earlier this month, Jason Momoa was believed to be on board as Aquaman, however, the actor is yet to confirm that he involved with the new movie.
Gal Gadot, Jesse Eisenberg and Jeremy Irons are some of the other new faces, as they are on board as Wonder Woman, Lex Luthor and Albert.
Amy Adams, Diane Lane and Laurence Fishburne will all be reprising their roles of Lois Lane, Martha Kent and Perry White from the first film.
Batman vs Superman: Dawn of Justice is released 29th April.
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