'Game of Thrones' Season 4 SPOILERS: Casting Rumors Roundup! Mark Gattis, Michiel Huisman Confirmed for New Roles! Premiere Spring 2014

Game of Thrones Season 4 SPOILERS! BEWARE!

A lot of fresh faces have been added to the Game of Thrones Season 4 cast. In case you haven't been keeping up with all of the latest news, here's a rumor roundup of some of the new season casting speculation.

Again, I repeat SPOILERS ahead!

As of just a couple days ago, Joel Fry is the most recent actor to be announced joining the Season 4 cast. He's reportedly the final cast member added to the series.

Fry will play a young scion from a slave dominated colony called Meereen. His character, Hizdahr zo Lorag runs into Daenerys Targaryen [Emilia Clarke] and her ever-expanding dragon army.

Also new to Thrones Season 4 is Treme star, Michiel Huisman. Best known for playing regional Southern Americans [Treme, Nashville] Huisman will take over the role of Daario Naharis, played by Ed Skrein last season, according to HBO Watch. Naharis, as Thrones fans know, is the leader of the Stormcrows, an elite division of Dany's ex-slave mercenaries.

Joseph Gatt joins the Game of Thrones Season 4 cast as Styr, Magnar of Thenn. Styr is a Wildling chief and lord of Frostfangs.

Fresh faces of Game of Thrones Season 4:

Roger Ashton-Griffiths [Mace Tyrell]
Indira Varma [Ellaria Sand]
Pedro Pascal [Prince Oberyn Martell, The Red Viper]
Mark Gatiss [Tycho Nestoris]

Game of Thrones Season 4 is set to premiere in Spring 2014.

Stay tuned for all casting updates and Season 4 spoiler alerts and rumors!