"British actor Kalu will play Spartan Vannak-134, a cybernetically augmented supersoldier conscripted at childhood who serves as the defacto deputy to the Master Chief. British actress Culzac will star in the role of Spartan Riz-028 – a focused, professional and deadly, cybernetically enhanced killing machine. Kennedy stars as Spartan Kai-125, an all-new courageous, curious and deadly Spartan supersoldier."News
Und zwar Casting-News: Laut Deadline sind neben Hauptrollendarsteller Pablo Schreiber ("American Gods") nun Natascha McElhone ("Californication"), Bokeem Woodbine ("Fargo"), Shabana Azmi ("Fire"), Bentley Kalu ("Avengers: Age of Ultron"), Natasha Culzac ("The Witcher") und Kate Kennedy ("Catastrophe") dabei.
In der Quelle finden sich zudem ein paar Rollenbeschreibungen sowie Fotos der Darsteller.