"The Last Ship" may have reached a satisfying end with its season 2 finale but the series has been officially renewed by TNT for a third season. With the show's plot growing on a global scale, actors Fernando Chien and Dichen Lachman have been added to the cast.

Lachman will be appearing as a helicopter pilot named Jesse, someone who has lived "off the grid," hinting that she may be keeping unique secrets of her own when she comes in to meet the crew of the USS Nathan James. Lachman is notable for her appearances in "Agents of S.H.I.E.L.D.," "The 100," "Dollhouse" and "Last Resort."

According to a report from Deadline, Chien will be playing Peng. Peng is speculated to be a pivotal character in the next season as his character is described as the leader of China - what remains of it following the plague, anyway. Peng may be the link that will connect the reborn America and the rest of the world.

While their descriptions have been released, it is unknown at this point if either character is a protagonist or antagonist for the next season. Given how sides quickly turn against each other on the show, it is likely that at least Peng may be presented as a neutral character until something goes awry, causing his group in China to war against the US.

A report from TVLine also confirms that Bridget Regan, of "Agent Carter" fame, has been added to the cast as well. She will be portraying the character Sasha, a former Naval Intelligence Officer who is now based in China, working on behalf of the US government.

Regan is also known for her roles in "The Good Wife," "Jane the Virgin" and "Beauty and the Beast."

"The Last Ship" has no current premiere date but it is slated to release sometime in Summer 2016.