Arrow Season 4 has new updates about two more characters who join on board. It says that these new casting will serve as new the love interest for Thea and for Oliver. To add, spoilers have been creeping out revealing the new villain of season 4.

Den Of Geek says that "Arrow" season 4 has started its production already. Fans could expect leaking news of what's happening inside the introduction including new casts and of course spoilers.

One of the new cast is Parker Young. He would be Thea Queen's new love interest. "Arrow" season 4 spoilers offer a new character of Alex Davis, who is a "political consultant for Oliver." So that means, Oliver Queen would be running for a political office.

But aside from Parker Young, Rutina Wesley of "True Blood" would be joining on board for a "multiple episode arc." Her role has been kept under wraps. Is she the new love interest of Oliver? The answer is no, not her at least.

Yes, Oliver will have a new interest in "Arrow" Season 4. E! Online reports that Elysia Rotaru has been cast as Oliver in the new love interest. But the major catch is, she's from the past in Oliver's life. However, details about Elysia Rotaru's character has not been revealed yet.

As for the villain, Den of Geek also reveals one of "Arrow" Season 4 spoilers. Yes, it has been confirmed that Damien Darhk will be one of the villains in the next season. He would be played by Neal McDonough. Damien Darhk will have a little stwist in his character because he used to be a minor villain. An official description of his character has been released already. It says that he would be "a mysterious and sophisticated villain, and an adversary of the late Ra's Al Ghul...this cunning foe will prove to be one of the Arrow's greatest challenges."

"Arrow" season 4 premieres on Oct. 7.