Cast of Halo

Meet the talented cast of Halo. From main characters to supporting roles, discover the actors who bring this show to life.

Starring: Pablo Schreiber as Master Chief, Spartan-117 / John-117, Natascha McElhone as Dr. Catherine Halsey, Joseph Morgan as James Ackerson, Shabana Azmi as Margaret Parangosky, Christina Bennington as Cortana, Natasha Culzac as Riz-028, Olive Gray as Dr. Miranda Keyes, Yerin Ha as Kwan Ha, Bentley Kalu as Vannak-134, Kate Kennedy as Kai-125