Ryan Murphy's '911' Fox Drama Adds Aisha Hinds, Kenneth Choi

Rockmund Dunbar and Oliver Stark have also signed for series-regular roles in the procedural.
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Aisha Hinds, Kenneth Choi

Ryan Murphy's Fox drama continues to add to its ensemble.

Aisha Hinds (Underground), People v. O.J. Simpson grad Kenneth Choi, Prison Break alum Rockmond Dunbar and Into the Badlands' Oliver Stark have signed on for series-regular roles in 911, The Hollywood Reporter has learned.

Picked up straight to series in May, the procedural explores the high-pressure experiences of police, paramedics and firefighters who are thrust into the most frightening, shocking and heart-stopping situations. These emergency responders must try to balance saving those who are at their most vulnerable with solving the problems in their own lives.

The quartet join stars Angela BassettPeter Krause and Connie Britton. Character details are being kept under wraps. 

Hinds is coming fresh off her acclaimed turn as Harriet Tubman on the slave drama Underground. The actress, whose credits also include True Blood, Under the Dome and Fox's recent limited series Shots Fired, is repped by Greene & Associates Talent Agency and attorney Jeff Bernstein.

The role marks a reunion for Choi and fellow People v. O.J. Simpson star Britton. Choi's other credits include Sons of Anarchy, The Last Man on Earth and Captain America: The First Avenger. He is repped by TalentWorks, Atlas Artists and attorney Myman Greenspan.

The casting keeps Dunbar at Fox after the recent Prison Break revival. The actor, whose other credits include The Path, Sons of Anarchy and Terriers, is repped by Don Buchwald & Associates and Mainstay Entertainment.

Stark was most recently a series regular on AMC's Into the Badlands. His other credits include Underworld: Blood Wars, Luther and Dracula. He is repped by UTA, Alchemy Entertainment and Denton Brierley.

The 20th Century Fox Television project hails from Murphy, Brad Falchuk (American Horror Story) and Tim Minear (Feud). Murphy and Falchuk will executive produce via their respective shingles, with Minear serving as showrunner. Bradley Buecker, Alexis Martin Woodall and Bassett will also serve as executive producers, with Buecker also set to direct the premiere.