The cast of the Game Of Thrones prequel is growing.
Actors Marquis Rodriguez, John Simm, Richard McCabe, John Heffernan, and Dixie Egerickx will be joining as series regulars according to Deadline.
The supporting actors round of out a cast that includes previously announced leads Naomi Watts, 50, and Josh Whitehouse, 28.
Coming to life: The Game Of Thrones prequel just got five additional cast members for its forthcoming pilot
Rodriguez is set to star in Netflix's When They See Us while John Simm is a BAFTA nominated talent.
Scottish thespian Richard McCabe and British actor John Heffernan are both veterans of the stage. McCabe TV credits include Philip K. Dick’s Electric Dreams, Collateral, Harlots and Peaky Blinders.
Heffernan recently appeared on the small screen for Dracula, Brexit, Collateral, The Crown II and Outlander.
Newcomer Dixie Egerickx, 13, is featured in the upcoming The Secret Garden, as well as the drama Summerland.
The new show, which was created by Games of Thrones mastermind George R.R. Martin and showrunner Jane Goldman, is set thousands of years before the start of the beloved HBO series.
New to the game: Rodriguez will next star in Netflix's When They See Us
Cast: John Simm and Dixie Egerickx have been cast in the prequel
Award-worthy: John Simm is a BAFTA nominated talent
Accomplished: Richard McCabe TV credits include Philip K. Dick’s Electric Dreams, Collateral, Harlots and Peaky Blinders
And the prequel, according to the network, will unravel 'the horrifying secrets of Westeros' history to the true origin of the White Walkers, the mysteries of the East to the Starks of legend'.
The cable network announced last month that British actress Naomi Ackie 27, would join the prequel's cast in a leading role.
And 38-year-old Irish stage actress Denise Gough is also set to join the prequel's cast as one of its leads.
In addition to starring in well-received productions of People Places And Things and Angels In America, the actress was recently seen opposite Keira Knightley in Colette.
Beloved: The prequel, which was created by Games of Thrones mastermind George RR Martin and showrunner Jane Goldman, is set
