Marquis Rodriguez is upping his Game…

The Latino actor has joined the ensemble cast ofHBO’s Game of Thrones prequel pilot.

Rodriguez joins a new list of series regular additions that includes John Simm, Richard McCabe, John Heffernanand Dixie Egerickx.

The drama pilot hails from writer Jane Goldmanand author/GOT co-executive producer George R.R. Martin.

Created by Goldman and Martin and written by Goldman based on a story by her and Martin, the untitled prequel takes place thousands of years before the events of Game of Thrones. It chronicles the world’s descent from the Golden Age of Heroes into its darkest hour. And only one thing is for sure: From the horrifying secrets of Westeros’ history to the true origin of the white walkers, the mysteries of the East to the Starks of legend — it’s not the story we think we know.

The five join previously announced series regulars Naomi Watts, Josh Whitehouse, Naomi Ackie, Denise Gough, Jamie Campbell Bower, Sheila Atim, Ivanno Jeremiah,Georgie Henley, Alex Sharp,Toby Regboand Miranda Richardson.

Rodriguez will next be seen in the Netflix miniseries, When They See Us, from director Ava DuVernay. He most recently guest-starred on NBC’s Manifest and appeared in recurring arcs on NBC’s Chicago Fire, andMarvel Studios/Netflix’s Luke Cage and Iron Fist crossover episode. His film credits include Saturday Church, Landlineand 3 Generations.