Before the weekend, we reported that Girls star Adam Driver is the front runner to play Dick Grayson a.k.a. Nightwing in the highly-anticipated Batman Vs. Superman. That report indicated that two other unidentified actors have been testing for the role, and today, we have word that those actors are Penn Badgley and Ezra Miller.

This unconfirmed report reveals that there are actually six actors on the Warner Bros. short list, although the other three actors were not identified. Ezra Miller is the youngest of this group at 21 years of age, along with the 27-year-old Penn Badgley and 29-year-old Adam Driver. Our initial report from last week revealed that the studio was looking for a "young John Hawkes type" of actor for this coveted role. In the sequel, Batman and Dick Grayson haven't spoken in years after some sort of falling out between the superhero and his former sidekick.

Zack Snyder is directing from a screenplay by David S. Goyer. Man of Steel stars Henry Cavill (Clark Kent/Superman), Amy Adams (Lois Lane), Diane Lane (Martha Kent) and Laurence Fishburne (Perry White) are returning alongside Ben Affleck as Batman.

Related: The Batman Director Further Confirms Robert Pattinson Is Our New Dark Knight

Penn Badgley is best known for his role in the hit CW Network series Gossip Girl, and upcoming films such as Greetings from Tim Buckley, Parts Per Billion and Cymbeline. Ezra Miller most recently starred in Another Happy Day, We Need to Talk About Kevin and The Perks of Being a Wallflower.