The actors who will be playing the parts of DC characters Anarky and Mr. Terrific in season 4 of Arrow were revealed on July 17.

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Deadline reported that Echo Kellum will be portraying Mr. Terrific while Alexander Calvert will be taking on the role for Anarky. Mr. Terrific seems like a hero addition like The Atom in the last season. The character will most likely work in association with the Arrow team in Starling City.

Meanwhile, Anarky -- best known as a Batman antagonist -- will be playing up with villainous elements. Deadline describes him as an "elite criminal for hire" in season 4 of Arrow. The prime villain in the next chapter will be Damien Darhk and Anarky is most likely to be enlisted by him.

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Earlier this month, the actor playing Damien Darhk in the CW series was revealed. TVLine reported that Neal McDonough will be playing the part of Darhk in the next chapter. Darhk had already come up in season 3 but he was never seen. The actor is best known for his work on the television shows Justified and Suits.

In June, ComicBook leaked parts of the possible dialogue of the Darhk in the season.

The report has accessed the audition transcripts for the part of a villain in the next chapter of the series. In the revealed text, the villain, most likely Dahrk as had been rumored, threatens Oliver (Stephen Amell). He tells Oliver that he is the ultimate threat, worse than Slade Wilson and Malcolm Merlyn or "any of the other pretenders" he might have "dealt with before."

The villain also issues a devastating warning: "No, I'm the ground, the Earth, the world. I'm the man even Ra's al Ghul fears."

The announcement of Arrow's renewal for a fourth season was made earlier this month.

The finale of season 3, entitled 'My Name is Oliver Queen,' of Arrow aired on May 13 on The CW.

Watch the promo teaser for season 4: